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Professional Classic Atmospheric Gas Water Heater
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Professional Classic Atmospheric Gas Water Heater (666457) by Rheem
Professional Classic atmospheric gas water heaters are engineered for more hot water at a low operating cost.
Product Specification
Item #
666457
Dimensions
Additional product details
Vendor Item #
666457
Plumbing Category
Water Heaters
Plumbing Subcategory
Tanked
Family
Professional Classic
Bullet10
Easy to light - no matches required
Bullet11
EverKleen patented system fights sediment build-up
Bullet12
Exclusive Rheemglas tank lining resists corrosion and prolongs tank life
Bullet13
Enhanced flow brass drain valve
Bullet14
Factory installed temperature and pressure relief valve on select models
Bullet15
Low lead compliant
Bullet16
Standard replacement parts
Bullet5
Protective control system that disables the heater in the presence of flammable vapor accumulation
Bullet6
Eco-friendly burner, low NOx design
Bullet7
Meets 40 ng/J NOx requirements
Bullet8
Premium grade anode rod provides long-lasting tank protection
Bullet9
All models certified up to 5999'' above sea level, some certified up to 10000''
CapacityGal
50
Description
PROG50-38N RH60 H
Diameter
20.5
FuelType
Natural Gas
Height
61.25
Install Link
Low Lead
Yes
Oversized
Yes
Ship Weight
150.00
Shipping Height
61.75
Shipping Width
21.25
SinkLength
24.81
Spec Sheet
Warranty
6 years
Manufactured By
Rheem
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More In This Collection From Professional Classic
Item Description
Professional Classic atmospheric gas water heaters are engineered for more hot water at a low operating cost.

  • Item ID: 8053F7D
  • Width:
  • Height:
  • Extra Data: Exclusive air/fuel shut-off device, Maintenance free - no filter to clean, More hot water at a low operating cost, Recovery: 30.3-40.4 gph at a 90 deg F rise, depending on model
  • Family: Professional Classic
  • Bullet10: Easy to light - no matches required
  • Bullet11: EverKleen patented system fights sediment build-up
  • Bullet12: Exclusive Rheemglas tank lining resists corrosion and prolongs tank life
  • Bullet13: Enhanced flow brass drain valve
  • Bullet14: Factory installed temperature and pressure relief valve on select models
  • Bullet15: Low lead compliant
  • Bullet16: Standard replacement parts
  • Bullet5: Protective control system that disables the heater in the presence of flammable vapor accumulation
  • Bullet6: Eco-friendly burner, low NOx design
  • Bullet7: Meets 40 ng/J NOx requirements
  • Bullet8: Premium grade anode rod provides long-lasting tank protection
  • Bullet9: All models certified up to 5999'' above sea level, some certified up to 10000''
  • CapacityGal: 40
  • Diameter: 58.5
  • FuelType: Liquid Propane Gas
  • Height: 61.5
  • Install Link: Installation Link
  • Low Lead: Yes
  • Ship Weight: 125.00
  • Shipping Height: 62.00
  • Shipping Width: 22.75
  • SinkLength: 19.25
  • Spec Sheet: Spec Sheet
  • Warranty: 6 years
  • Standard Plumbing Category: Water Heaters
  • Standard Plumbing Subcategory: Tanked
Item Description
Professional Classic Point-of-Use electric water heaters feature a space-saving design for installation in limited spaces.

  • Item ID: 80507NF
  • Width:
  • Height:
  • Extra Data: Automatic thermostat keeps water at desired temperature, High-efficiency heating element, Over-temperature protector cuts off power in excess temperature situations, Wall bracket for easy wall mount installations and corrosion-resistant 1/4 turn drain valve included with 2.5 gal model
  • Family: Professional Classic
  • Bullet5: Temperature and pressure relief valve
  • Bullet6: Exclusive Rheemglas tank lining resists corrosion and prolongs tank life
  • Bullet7: Meets or exceeds National Appliance Energy Conservation Act (NAECA) requirements
  • Bullet8: These units are UL listed and comply with Underwriter''s Laboratories Specifications 174
  • Bullet9: Low lead compliant
  • CapacityGal: 10
  • Description: PROE10 1 RH POU
  • Diameter: 15.75
  • FuelType: Electric
  • Height: 23
  • Install Link: Installation Link
  • Oversized: Yes
  • Ship Weight: 45.00
  • Shipping Height: 24.25
  • Shipping Width: 16.38
  • SinkLength: 18.19
  • Spec Sheet: Spec Sheet
  • Voltage: 120
  • Warranty: 6 years
  • Standard Plumbing Category: Water Heaters
  • Standard Plumbing Subcategory: Tanked
Item Description
Professional Classic electric water heaters are engineered for longer life - resistored heating elements and premium grade anode rod.

  • Item ID: 8053C9L
  • Width:
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  • Extra Data: Automatic thermostat keeps water at desired temperature, Electric junction box located above heating elements for easy installation, EverKleen self-cleaning device fights harmful sediment build-up with a high-velocity spiraling water stream - helps operating efficiency by saving energy, money and improving tank life, Over-temperature protector cuts off power in excess temperature situations
  • Family: Professional Classic
  • Bullet5: Enhanced flow brass drain valve
  • Bullet6: Temperature and pressure relief valve included
  • Bullet7: Low lead compliant
  • CapacityGal: 38
  • Description: PROE38 S2 RH95 B
  • Diameter: 23
  • FuelType: Electric
  • Height: 34
  • Install Link: Installation Link
  • Oversized: Yes
  • Ship Weight: 108.00
  • Shipping Height: 37.63
  • Shipping Width: 27.94
  • SinkLength: 27.94
  • Spec Sheet: Spec Sheet
  • Voltage: 120
  • Warranty: 6 years Limited
  • Standard Plumbing Category: Water Heaters
  • Standard Plumbing Subcategory: Tanked
Item Description
Professional Classic Point-of-Use electric water heaters feature a space-saving design for installation in limited spaces.

  • Item ID: 80507NY
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  • Height:
  • Extra Data: Automatic thermostat keeps water at desired temperature, High-efficiency heating element, Over-temperature protector cuts off power in excess temperature situations, Wall bracket for easy wall mount installations and corrosion-resistant 1/4 turn drain valve included with 2.5 gal model
  • Family: Professional Classic
  • Bullet5: Temperature and pressure relief valve
  • Bullet6: Exclusive Rheemglas tank lining resists corrosion and prolongs tank life
  • Bullet7: Meets or exceeds National Appliance Energy Conservation Act (NAECA) requirements
  • Bullet8: These units are UL listed and comply with Underwriter''s Laboratories Specifications 174
  • Bullet9: Low lead compliant
  • CapacityGal: 15
  • Description: PROE15 1 RH POU
  • Diameter: 17.75
  • FuelType: Electric
  • Height: 24.25
  • Install Link: Installation Link
  • Oversized: Yes
  • Ship Weight: 56.00
  • Shipping Height: 25.00
  • Shipping Width: 18.88
  • SinkLength: 20.00
  • Spec Sheet: Spec Sheet
  • Voltage: 120
  • Warranty: 6 years
  • Standard Plumbing Category: Water Heaters
  • Standard Plumbing Subcategory: Tanked
Item Description
Professional Classic ultra low NOx gas water heaters are SCAQMD rule 1121 compliant with 10 ng/J NOx emissions.

  • Item ID: 8053A9V
  • Width:
  • Height:
  • Extra Data: Exclusive fuel shut-off device for double protection, FHR: 51-86 gal for natural gas, Maintenance free - no filter to clean, Recovery: 30-40 gph at 90 deg F rise, depending on model
  • Family: Professional Classic
  • Bullet10: EverKleen patented system fights sediment build-up
  • Bullet11: Reduces fuel costs
  • Bullet12: Provides more hot water
  • Bullet13: No matches required Longer Life
  • Bullet14: Enhanced flow brass drain valve
  • Bullet15: Temperature and pressure relief valve included
  • Bullet5: Protective control system that disables the heater in the presence of flammable vapor accumulation
  • Bullet6: Ultra low NOx radiant burner design
  • Bullet7: Stainless steel construction
  • Bullet8: SCAQMD Rule 1121 compliant
  • Bullet9: Meets 10 ng/J NOx requirements
  • CapacityGal: 50
  • Description: PROG50-38U RH60 EC1
  • Diameter: 20.5
  • FuelType: Natural Gas
  • Height: 61.25
  • Install Link: Installation Link
  • Low Lead: Yes
  • Material: Stainless Steel
  • Oversized: Yes
  • Ship Weight: 150.00
  • Shipping Height: 61.75
  • Shipping Width: 21.25
  • SinkLength: 24.81
  • Spec Sheet: Spec Sheet
  • Warranty: 6 years
  • Standard Plumbing Category: Water Heaters
  • Standard Plumbing Subcategory: Tanked
Item Description
Professional Classic Point-of-Use electric water heaters feature a space-saving design for installation in limited spaces.

  • Item ID: 80508KK
  • Width:
  • Height:
  • Extra Data: Automatic thermostat keeps water at desired temperature, High-efficiency heating element, Over-temperature protector cuts off power in excess temperature situations, Wall bracket for easy wall mount installations and corrosion-resistant 1/4 turn drain valve included with 2.5 gal model
  • Family: Professional Classic
  • Bullet5: Temperature and pressure relief valve
  • Bullet6: Exclusive Rheemglas tank lining resists corrosion and prolongs tank life
  • Bullet7: Meets or exceeds National Appliance Energy Conservation Act (NAECA) requirements
  • Bullet8: These units are UL listed and comply with Underwriter''s Laboratories Specifications 174
  • Bullet9: Low lead compliant
  • CapacityGal: 15
  • Description: PROE15 1 RH POU
  • Diameter: 17.75
  • FuelType: Electric
  • Height: 24.25
  • Install Link: Installation Link
  • Oversized: Yes
  • Ship Weight: 56.00
  • Shipping Height: 25.00
  • Shipping Width: 18.88
  • SinkLength: 20.00
  • Spec Sheet: Spec Sheet
  • Voltage: 120
  • Warranty: 6 years
  • Standard Plumbing Category: Water Heaters
  • Standard Plumbing Subcategory: Tanked
Item Description
Professional Classic electric water heaters are engineered for longer life - resistored heating elements and premium grade anode rod.

  • Item ID: 8050FGT
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  • Extra Data: Automatic thermostat keeps water at desired temperature, Electric junction box located above heating elements for easy installation, EverKleen self-cleaning device fights harmful sediment build-up with a high-velocity spiraling water stream - helps operating efficiency by saving energy, money and improving tank life, Over-temperature protector cuts off power in excess temperature situations
  • Family: Professional Classic
  • Bullet5: Enhanced flow brass drain valve
  • Bullet6: Temperature and pressure relief valve included
  • Bullet7: Low lead compliant
  • CapacityGal: 38
  • Description: PROE38 S1 RH95 B
  • Diameter: 23
  • FuelType: Electric
  • Height: 34
  • Oversized: Yes
  • Ship Weight: 108.00
  • Shipping Height: 37.63
  • Shipping Width: 27.94
  • SinkLength: 27.94
  • Spec Sheet: Spec Sheet
  • Voltage: 120
  • Warranty: 6 years Limited
  • Standard Plumbing Category: Water Heaters
  • Standard Plumbing Subcategory: Tanked
Item Description
Professional Classic Point-of-Use electric water heaters feature a space-saving design for installation in limited spaces.

  • Item ID: 80508L2
  • Width:
  • Height:
  • Extra Data: Automatic thermostat keeps water at desired temperature, High-efficiency heating element, Over-temperature protector cuts off power in excess temperature situations, Wall bracket for easy wall mount installations and corrosion-resistant 1/4 turn drain valve included with 2.5 gal model
  • Family: Professional Classic
  • Bullet5: Temperature and pressure relief valve
  • Bullet6: Exclusive Rheemglas tank lining resists corrosion and prolongs tank life
  • Bullet7: Meets or exceeds National Appliance Energy Conservation Act (NAECA) requirements
  • Bullet8: These units are UL listed and comply with Underwriter''s Laboratories Specifications 174
  • Bullet9: Low lead compliant
  • CapacityGal: 19.9
  • Description: PROE20 1 RH POU
  • Diameter: 19.75
  • FuelType: Electric
  • Height: 25.25
  • Install Link: Installation Link
  • Oversized: Yes
  • Ship Weight: 66.00
  • Shipping Height: 26.50
  • Shipping Width: 20.25
  • SinkLength: 22.25
  • Spec Sheet: Spec Sheet
  • Voltage: 120
  • Warranty: 6 years
  • Standard Plumbing Category: Water Heaters
  • Standard Plumbing Subcategory: Tanked
Item Description
Professional Classic electric water heaters are engineered for longer life - resistored heating elements and premium grade anode rod.

  • Item ID: 8050FGD
  • Width:
  • Height:
  • Extra Data: Automatic thermostat keeps water at desired temperature, Electric junction box located above heating elements for easy installation, EverKleen self-cleaning device fights harmful sediment build-up with a high-velocity spiraling water stream - helps operating efficiency by saving energy, money and improving tank life, Over-temperature protector cuts off power in excess temperature situations
  • Family: Professional Classic
  • Bullet5: Enhanced flow brass drain valve
  • Bullet6: Temperature and pressure relief valve included
  • Bullet7: Low lead compliant
  • CapacityGal: 36
  • Description: PROE36 S2 RH95
  • Diameter: 24.25
  • FuelType: Electric
  • Height: 33
  • Install Link: Installation Link
  • Oversized: Yes
  • Ship Weight: 118.00
  • Shipping Height: 36.88
  • Shipping Width: 25.00
  • SinkLength: 25.00
  • Spec Sheet: Spec Sheet
  • Voltage: 120
  • Warranty: 6 years Limited
  • Standard Plumbing Category: Water Heaters
  • Standard Plumbing Subcategory: Tanked
Item Description
Professional Classic Point-of-Use electric water heaters feature a space-saving design for installation in limited spaces.

  • Item ID: 80508LK
  • Width:
  • Height:
  • Extra Data: Automatic thermostat keeps water at desired temperature, High-efficiency heating element, Over-temperature protector cuts off power in excess temperature situations, Wall bracket for easy wall mount installations and corrosion-resistant 1/4 turn drain valve included with 2.5 gal model
  • Family: Professional Classic
  • Bullet5: Temperature and pressure relief valve
  • Bullet6: Exclusive Rheemglas tank lining resists corrosion and prolongs tank life
  • Bullet7: Meets or exceeds National Appliance Energy Conservation Act (NAECA) requirements
  • Bullet8: These units are UL listed and comply with Underwriter''s Laboratories Specifications 174
  • Bullet9: Low lead compliant
  • CapacityGal: 19.9
  • Description: PROE20 1 RH POU
  • Diameter: 19.75
  • FuelType: Electric
  • Height: 25.25
  • Install Link: Installation Link
  • Oversized: Yes
  • Ship Weight: 66.00
  • Shipping Height: 26.50
  • Shipping Width: 20.25
  • SinkLength: 22.25
  • Spec Sheet: Spec Sheet
  • Voltage: 120
  • Warranty: 6 years
  • Standard Plumbing Category: Water Heaters
  • Standard Plumbing Subcategory: Tanked
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