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Rite-Temp® Thermostatic cartridge
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Rite-Temp® Thermostatic cartridge (28305-NA) by Kohler
The innovative KOHLER® Rite-Temp valve system sets new standards for ease of installation, application versatility and long-term reliability, simplifying your plumbing project and providing maximum flexibility for future changes or upgrades. This Rite-Temp cartridge uses the latest thermostatic technology to maintain precise temperature control with an exact high-temperature limit for added safety and showering comfort. The Rite-Temp thermostatic cartridge can be ordered separately or as a valve and cartridge kit (K-28304-K), and paired with your favorite KOHLER trim.
Product Specification
Item #
28305-NA
Dimensions
Additional product details
Vendor Item #
28305-NA
Family
Rite Temp
AltImageName1
/KOL/zac68894.jpg
AltImageName2
/KOL/zac44030.jpg
AltImagePath1
/KOL-zac68894.JPEG
AltImagePath2
/KOL-zac44030.JPEG
Bullet5
Adjustable high-temperature limit stop to control maximum water temperature
Bullet6
Requires trim and any K-8300 valve body to complete installation (sold separately)
Country
US
Description
Rite-Temp Thermostatic cartridge
Height
2.62
Install Link
Introduction Date
9/3/2021
Length
4.82
MadeInUSA
Yes
Material
Brass/Plastic
Prop65
Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Ship Weight
0.55
Shipping Height
2.55
Shipping Length
5.05
Shipping Width
2.55
Spec Sheet
Website Link
Width
2.58
Manufactured By
Kohler
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More In This Collection From Rite Temp
Item Description
The new KOHLER Rite-Temp valve system sets new standards for ease of installation, application versatility, and long-term reliability, simplifying your plumbing project and providing maximum flexibility for future changes or upgrades. The Rite-Temp valve platform uses the latest pressure-balancing technology to provide anti-scald protection and temperature control for enhanced showering comfort. Once the valve is installed, select your finished trim and finish from KOHLER''''s comprehensive design portfolio. Should you decide to remodel in the future, simply change out your trim for the latest design without the need to change the valve installation.

  • Item ID: 40NVHCW
  • Width:
  • Height:
  • Extra Data: 1/2'' Universal NPT and direct sweat inlets and outlets with stops (uninstalled kit), 5.0 gpm (18.9 lpm) maximum flow rate at 45 psi (3.1 bar), Includes valve body, pressure balance cartridge, rough-in guide, and mudguard, Service stops include integral check valves
  • Family: Rite Temp
  • Bullet10: Pressure-balancing diaphragm technology maintains outlet temperature within +/-3°F during water pressure fluctuations
  • Bullet5: Single lever design cycles from off through cold to hot
  • Bullet6: Antiscald protection
  • Bullet7: One-piece cartridge design simplifies installation and maintenance
  • Bullet8: Adjustable high-temperature limit stop to control maximum water temperature
  • Bullet9: Requires valve trim to complete installation (sold separately)
  • Country: US
  • Description: Rite-Temp Pressure-balancing valve body and cartridge kit with service stops
  • FlowRateGPM: 5.0
  • Height: 5
  • Install Link: Installation Link
  • Introduction Date: 11/14/2016
  • Length: 4.8
  • Material: Brass/Plastic
  • Prop65: Cancer and Reproductive Harm – www.P65Warnings.ca.gov
  • Ship Weight: 1.82
  • Shipping Height: 6.25
  • Shipping Length: 5.5
  • Shipping Width: 5.25
  • Spec Sheet: Spec Sheet
  • Website Link: Website Link
  • Width: 5.9
  • Standard Plumbing Category: Showers
  • Standard Plumbing Subcategory: Faucet Rough In Valves
Item Description
The new KOHLER Rite-Temp valve system sets new standards for ease of installation, application versatility, and long-term reliability, simplifying your plumbing project and providing maximum flexibility for future changes or upgrades. The Rite-Temp valve platform uses the latest pressure-balancing technology to provide anti-scald protection and temperature control for enhanced showering comfort. Once the valve is installed, select your finished trim and finish from KOHLER''''s comprehensive design portfolio. Should you decide to remodel in the future, simply change out your trim for the latest design without the need to change the valve installation.

  • Item ID: 40NVHCZ
  • Width:
  • Height:
  • Extra Data: 1/2'' PEX Expansion (F1960 style) inlets, with stops, 1/2'' Universal NPT & direct sweat outlets, Includes valve body, pressure balance cartridge, rough-in guide, and mudguard, Service stops include integral check valves
  • Family: Rite Temp
  • Bullet10: Requires valve trim to complete installation (sold separately)
  • Bullet11: Pressure-balancing diaphragm technology maintains outlet temperature within +/-3°F during water pressure fluctuations
  • Bullet5: 5.0 gpm (18.9 lpm) maximum flow rate at 45 psi (3.1 bar)
  • Bullet6: Single lever design cycles from off through cold to hot
  • Bullet7: Antiscald protection
  • Bullet8: One-piece cartridge design simplifies installation and maintenance
  • Bullet9: Adjustable high-temperature limit stop to control maximum water temperature
  • Country: US
  • Description: Rite-Temp Pressure-balancing valve body and cartridge kit with service stops and PEX expansion connections
  • FlowRateGPM: 5.0
  • Height: 5
  • Install Link: Installation Link
  • Introduction Date: 11/14/2016
  • Length: 4.8
  • Material: Brass/Plastic
  • Prop65: Cancer and Reproductive Harm – www.P65Warnings.ca.gov
  • Ship Weight: 1.8
  • Shipping Height: 6.25
  • Shipping Length: 5.5
  • Shipping Width: 5.25
  • Spec Sheet: Spec Sheet
  • Website Link: Website Link
  • Width: 6
  • Standard Plumbing Category: Showers
  • Standard Plumbing Subcategory: Faucet Rough In Valves
Item Description
The new KOHLER Rite-Temp valve system sets new standards for ease of installation, application versatility, and long-term reliability, simplifying your plumbing project and providing maximum flexibility for future changes or upgrades. The Rite-Temp valve platform uses the latest pressure-balancing technology to provide anti-scald protection and temperature control for enhanced showering comfort. Once the valve is installed, select your finished trim and finish from KOHLER''''s comprehensive design portfolio. Should you decide to remodel in the future, simply change out your trim for the latest design without the need to change the valve installation.

  • Item ID: 40YQJ98
  • Width:
  • Height:
  • Extra Data: 1/2'' Universal NPT and direct sweat inlets and outlets with stops (uninstalled kit), Includes valve body, pressure balance cartridge, rough-in guide, and mudguard, Service stops include integral check valves, Service stops supplied loose (not factory-installed in valve body); ready for making sweat connections to valve inlets
  • Family: Rite Temp
  • Bullet10: Requires valve trim to complete installation (sold separately)
  • Bullet11: Pressure-balancing diaphragm technology maintains outlet temperature within +/-3°F during water pressure fluctuations
  • Bullet5: 5.0 gpm (18.9 lpm) maximum flow rate at 45 psi (3.1 bar)
  • Bullet6: Single lever design cycles from off through cold to hot
  • Bullet7: Antiscald protection
  • Bullet8: One-piece cartridge design simplifies installation and maintenance
  • Bullet9: Adjustable high-temperature limit stop to control maximum water temperature
  • Country: US
  • Description: Rite-Temp Pressure-balancing valve body and cartridge kit with service stops (supplied loose)
  • Height: 5
  • Install Link: Installation Link
  • Introduction Date: 9/1/2017
  • Length: 4.8
  • Material: Brass
  • Ship Weight: 1.79
  • Shipping Height: 6.25
  • Shipping Length: 5.5
  • Shipping Width: 5.25
  • Spec Sheet: Spec Sheet
  • Website Link: Website Link
  • Width: 5.9
  • Standard Plumbing Category: Showers
  • Standard Plumbing Subcategory: Faucet Rough In Valves
Item Description
The new KOHLER Rite-Temp valve system sets new standards for ease of installation, application versatility, and long-term reliability, simplifying your plumbing project and providing maximum flexibility for future changes or upgrades. The Rite-Temp valve platform uses the latest pressure-balancing technology to provide anti-scald protection and temperature control for enhanced showering comfort. Once the valve is installed, select your finished trim and finish from KOHLER''''s comprehensive design portfolio. Should you decide to remodel in the future, simply change out your trim for the latest design without the need to change the valve installation.

  • Item ID: 40YQ8GX
  • Width:
  • Height:
  • Extra Data: 1/2'' PEX Crimp (F1807 style) inlets, with stops, 1/2'' Universal NPT & direct sweat outlets, Includes valve body, pressure balance cartridge, rough-in guide, and mudguard, Project pack: Supplied 12 per case
  • Family: Rite Temp
  • Bullet10: Adjustable high-temperature limit stop to control maximum water temperature
  • Bullet11: Requires valve trim to complete installation (sold separately)
  • Bullet12: Pressure-balancing diaphragm technology maintains outlet temperature within +/-3°F during water pressure fluctuations
  • Bullet5: Service stops include integral check valves
  • Bullet6: 5.0 gpm (18.9 lpm) maximum flow rate at 45 psi (3.1 bar)
  • Bullet7: Single lever design cycles from off through cold to hot
  • Bullet8: Antiscald protection
  • Bullet9: One-piece cartridge design simplifies installation and maintenance
  • Country: US
  • Description: Rite-Temp Valve body and pressure-balancing cartridge kit with service stops and PEX crimp connections, project pack
  • FlowRateGPM: 5
  • Height: 5
  • Install Link: Installation Link
  • Introduction Date: 4/25/2017
  • Length: 4.8
  • Material: Brass/Plastic
  • Prop65: Cancer and Reproductive Harm – www.P65Warnings.ca.gov
  • Ship Weight: 1.7
  • Shipping Height: 12.44
  • Shipping Length: 15.88
  • Shipping Width: 11.13
  • Spec Sheet: Spec Sheet
  • Website Link: Website Link
  • Width: 5.875
  • Standard Plumbing Category: Showers
  • Standard Plumbing Subcategory: Faucet Rough In Valves
Item Description
The new KOHLER Rite-Temp valve system sets new standards for ease of installation, application versatility, and long-term reliability, simplifying your plumbing project and providing maximum flexibility for future changes or upgrades. The Rite-Temp valve platform uses the latest pressure-balancing technology to provide anti-scald protection and temperature control for enhanced showering comfort. Once the valve is installed, select your finished trim and finish from KOHLER''''s comprehensive design portfolio. Should you decide to remodel in the future, simply change out your trim for the latest design without the need to change the valve installation.

  • Item ID: 40NVHCX
  • Width:
  • Height:
  • Extra Data: 1/2'' PEX Crimp (F1807 style) inlets, with stops, 1/2'' Universal NPT & direct sweat outlets, Includes valve body, pressure balance cartridge, rough-in guide, and mudguard, Service stops include integral check valves
  • Family: Rite Temp
  • Bullet10: Requires valve trim to complete installation (sold separately)
  • Bullet11: Pressure-balancing diaphragm technology maintains outlet temperature within +/-3°F during water pressure fluctuations
  • Bullet5: 5.0 gpm (18.9 lpm) maximum flow rate at 45 psi (3.1 bar)
  • Bullet6: Single lever design cycles from off through cold to hot
  • Bullet7: Antiscald protection
  • Bullet8: One-piece cartridge design simplifies installation and maintenance
  • Bullet9: Adjustable high-temperature limit stop to control maximum water temperature
  • Country: US
  • Description: Rite-Temp Pressure-balancing valve body and cartridge kit with service stops and PEX crimp connections
  • FlowRateGPM: 5.0
  • Height: 5
  • Install Link: Installation Link
  • Introduction Date: 11/14/2016
  • Length: 4.8
  • Material: Brass/Plastic
  • Prop65: Cancer and Reproductive Harm – www.P65Warnings.ca.gov
  • Ship Weight: 1.59
  • Shipping Height: 6.25
  • Shipping Length: 5.5
  • Shipping Width: 5.25
  • Spec Sheet: Spec Sheet
  • Website Link: Website Link
  • Width: 5.875
  • Standard Plumbing Category: Showers
  • Standard Plumbing Subcategory: Faucet Rough In Valves
Item Description
The new KOHLER Rite-Temp valve system sets new standards for ease of installation, application versatility, and long-term reliability, simplifying your plumbing project and providing maximum flexibility for future changes or upgrades. The Rite-Temp valve platform uses the latest pressure-balancing technology to provide anti-scald protection and temperature control for enhanced showering comfort. Once the valve is installed, select your finished trim and finish from KOHLER''''s comprehensive design portfolio. Should you decide to remodel in the future, simply change out your trim for the latest design without the need to change the valve installation.

  • Item ID: 40YQ8GZ
  • Width:
  • Height:
  • Extra Data: 1/2'' PEX Expansion (F1960 style) inlets, with stops, 1/2'' Universal NPT & direct sweat outlets, Includes valve body, pressure balance cartridge, rough-in guide, and mudguard, Project pack: Supplied 12 per case
  • Family: Rite Temp
  • Bullet10: Adjustable high-temperature limit stop to control maximum water temperature
  • Bullet11: Requires valve trim to complete installation (sold separately)
  • Bullet12: Pressure-balancing diaphragm technology maintains outlet temperature within +/-3°F during water pressure fluctuations
  • Bullet5: Service stops include integral check valves
  • Bullet6: 5.0 gpm (18.9 lpm) maximum flow rate at 45 psi (3.1 bar)
  • Bullet7: Single lever design cycles from off through cold to hot
  • Bullet8: Antiscald protection
  • Bullet9: One-piece cartridge design simplifies installation and maintenance
  • Country: US
  • Description: Rite-Temp Valve body and pressure-balancing cartridge kit with service stops and PEX expansion connections, project pack
  • FlowRateGPM: 5
  • Height: 5
  • Install Link: Installation Link
  • Introduction Date: 4/25/2017
  • Length: 4.8
  • Material: Brass/Plastic
  • Prop65: Cancer and Reproductive Harm – www.P65Warnings.ca.gov
  • Ship Weight: 1.53
  • Shipping Height: 13.88
  • Shipping Length: 17.25
  • Shipping Width: 12.25
  • Spec Sheet: Spec Sheet
  • Website Link: Website Link
  • Width: 6
  • Standard Plumbing Category: Showers
  • Standard Plumbing Subcategory: Faucet Rough In Valves
Item Description
The new KOHLER Rite-Temp valve system sets new standards for ease of installation, application versatility, and long-term reliability, simplifying your plumbing project and providing maximum flexibility for future changes or upgrades. The Rite-Temp valve platform uses the latest pressure-balancing technology to provide anti-scald protection and temperature control for enhanced showering comfort. Once the valve is installed, select your finished trim and finish from KOHLER''''s comprehensive design portfolio. Should you decide to remodel in the future, simply change out your trim for the latest design without the need to change the valve installation.

  • Item ID: 40YQ8GV
  • Width:
  • Height:
  • Extra Data: 1/2'' female NPT inlets and outlets with stops, Includes valve body, pressure balance cartridge, rough-in guide, and mudguard, Project pack: Supplied 12 per case, Service stops include integral check valves
  • Family: Rite Temp
  • Bullet10: One-piece cartridge design simplifies installation and maintenance
  • Bullet11: Adjustable high-temperature limit stop to control maximum water temperature
  • Bullet12: Pressure-balancing diaphragm technology maintains outlet temperature within +/-3°F during water pressure fluctuations
  • Bullet5: Requires valve trim to complete installation (sold separately)
  • Bullet6: Includes valve body, pressure balance cartridge, rough-in guide, and mudguard
  • Bullet7: 5.0 gpm (18.9 lpm) maximum flow rate at 45 psi (3.1 bar)
  • Bullet8: Single lever design cycles from off through cold to hot
  • Bullet9: Antiscald protection
  • Country: US
  • Description: Rite-Temp Valve body and pressure-balancing cartridge kit with service stops and female NPT connections, project pack
  • FlowRateGPM: 5.0
  • Height: 5
  • Install Link: Installation Link
  • Introduction Date: 4/25/2017
  • Length: 4.8
  • Material: Brass/Plastic
  • Prop65: Cancer and Reproductive Harm – www.P65Warnings.ca.gov
  • Ship Weight: 1.9
  • Shipping Height: 13.88
  • Shipping Length: 17.25
  • Shipping Width: 12.25
  • Spec Sheet: Spec Sheet
  • Website Link: Website Link
  • Width: 5
  • Standard Plumbing Category: Showers
  • Standard Plumbing Subcategory: Faucet Rough In Valves
Item Description
The new KOHLER Rite-Temp valve system sets new standards for ease of installation, application versatility, and long-term reliability, simplifying your plumbing project and providing maximum flexibility for future changes or upgrades. The Rite-Temp valve platform uses the latest pressure-balancing technology to provide anti-scald protection and temperature control for enhanced showering comfort. Once the valve is installed, select your finished trim and finish from KOHLER''''s comprehensive design portfolio. Should you decide to remodel in the future, simply change out your trim for the latest design without the need to change the valve installation.

  • Item ID: 40YJEWN
  • Width:
  • Height:
  • Extra Data: 1/2'' Universal NPT and direct sweat inlets and outlets with stops (uninstalled kit), Includes valve body, pressure balance cartridge, rough-in guide, and mudguard, Project pack: Supplied 12 per case, Service stops include integral check valves
  • Family: Rite Temp
  • Bullet10: Requires valve trim to complete installation (sold separately)
  • Bullet11: Pressure-balancing diaphragm technology maintains outlet temperature within +/-3°F during water pressure fluctuations
  • Bullet5: 5.0 gpm (18.9 lpm) maximum flow rate at 45 psi (3.1 bar)
  • Bullet6: Single lever design cycles from off through cold to hot
  • Bullet7: Antiscald protection
  • Bullet8: One-piece cartridge design simplifies installation and maintenance
  • Bullet9: Adjustable high-temperature limit stop to control maximum water temperature
  • Country: US
  • Description: Rite-Temp Valve body and pressure-balancing cartridge kit with service stops, project pack
  • FlowRateGPM: 5.0
  • Height: 5
  • Install Link: Installation Link
  • Introduction Date: 11/14/2016
  • Length: 4.8
  • Material: Brass/Plastic
  • Prop65: Cancer and Reproductive Harm – www.P65Warnings.ca.gov
  • Ship Weight: 1.53
  • Shipping Height: 13.88
  • Shipping Length: 17.25
  • Shipping Width: 12.25
  • Spec Sheet: Spec Sheet
  • Website Link: Website Link
  • Width: 5.9
  • Standard Plumbing Category: Showers
  • Standard Plumbing Subcategory: Faucet Rough In Valves
Item Description
The innovative KOHLER® Rite-Temp valve system sets new standards for ease of installation, application versatility, and long-term reliability, simplifying your plumbing project and providing maximum flexibility for future changes or upgrades. This Rite-Temp valve platform uses the latest thermostatic technology to maintain precise temperature control with an exact high-temperature limit for added safety and showering comfort. Once the valve is installed, select your trim and finish from the comprehensive KOHLER design portfolio.

  • Item ID: 4185N7W
  • Width:
  • Height:
  • Extra Data: 1/2'' Universal NPT and direct sweat inlets and outlets, 9 gpm (34 l/min) maximum flow rate at 45 psi, Includes valve body, thermostatic cartridge, rough-in guide and mud guard, Project pack: Supplied six per case
  • Family: Rite Temp
  • Bullet5: Single lever design cycles from off through cold to hot
  • Bullet6: One-piece cartridge design simplifies installation and maintenance
  • Bullet7: Adjustable high-temperature limit stop to control maximum water temperature
  • Bullet8: Requires valve trim to complete installation (sold separately)
  • Country: US
  • Description: Rite-Temp Thermostatic valve body and cartridge kit, project pack
  • Height: 5
  • Install Link: Installation Link
  • Introduction Date: 9/3/2021
  • Length: 4.8
  • Material: Brass/Plastic
  • Ship Weight: 1.53
  • Shipping Height: 13.88
  • Shipping Length: 17.25
  • Shipping Width: 12.25
  • Spec Sheet: Spec Sheet
  • Website Link: Website Link
  • Width: 5
Item Description
Easily cover the holes from your two-handle bath and shower valving conversion with our Remodel Rite-Temp bath and shower trim kit. The escutcheon plate easily covers holes from your outdated two-handle valve trim installation, and the single-lever handle easily rotates for on/off activation and temperature control. A bath spout and three-function showerhead complete the trio. With clean, attractive lines, the plate, handle, showerhead, and bath spout will fit in with any bathroom decor. At Kohler, we make it our business to help you create the bathroom space of your dreams.

  • Item ID: 4188H1Y
  • Width:
  • Height:
  • Finish: Polished Chrome
  • Extra Data: 12'' (305 mm) escutcheon plate covers two-handle valve assembly holes., Advanced spray engine provides three alternate experiences: wide coverage, intense drenching, and targeted spray, Single lever handle allows for both on/off activation and temperature setting, Wide coverage spray produces an encompassing spray for everyday use
  • Family: Rite Temp
  • AltImageName2: /KOL/aad57541.jpg
  • AltImageName3: /KOL/aad07596.jpg
  • AltImagePath2: /KOL-aad57541.JPEG
  • AltImagePath3: /KOL-aad07596.JPEG
  • Bullet10: 5'' (127 mm) spout with slip-fit connection and diverter knob
  • Bullet11: Kit includes escutcheon, lever handle, showerhead, shower arm with flange, bath spout, mounting hardware, template.
  • Bullet12: Requires Rite-Temp® pressure-balancing valve (sold separately)
  • Bullet5: Intense drenching spray delivers a forceful spray ideal for rinsing shampoo from hair
  • Bullet6: Targeted spray is a focused stream for targeting sore muscles or use as a utility spray
  • Bullet7: Simple thumb tab smoothly transitions between sprays
  • Bullet8: MasterClean™ sprayface features an easy-to-clean surface that withstands mineral buildup and maximizes spray performance
  • Bullet9: 1.75 gpm (6.6 lpm) maximum flow rate at 80 psi (5.5 bar)
  • CALGreen: Yes
  • CEC: Yes
  • Country: CN
  • Description: Remodel Rite-Temp bath and shower trim kit, 1.75 gpm
  • Finish Family: Chrome
  • Height: 7.75
  • Install Link: Installation Link
  • Length: 6.26
  • Shape: Round
  • Ship Weight: 3.75
  • Shipping Height: 7.13
  • Shipping Length: 12.38
  • Shipping Width: 7.75
  • Spec Sheet: Spec Sheet
  • Warranty: Faucet Lifetime Limited Warranty
  • Watersense: Yes
  • Website Link: Website Link
  • Weight: 1.06
  • Width: 12.02
  • Standard Finish: Chrome
  • Standard Plumbing Category: Showers
  • Standard Plumbing Subcategory: Tub And Shower Faucets
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