This temperature and pressure relief valve is used to provide automatic temperature and pressure protection to hot water supply tanks and hot water heaters up to 105,000 BTU/hr. It features a bronze body with NPT male inlet and NPT female outlet connections, unique thermostat with special thermo-bonded coating, and a test lever. Model 100XL-8 is also available with 8 inch (200mm) extension thermostat. Series 100XL is ASME rated and CSA listed. Temperature relief is 210 degree F (99 degree C), Pressure relief range is 75 to 150psi (5.2 to 10.3 bar). Standard pressure settings are 75, 100, 125, or 150psi (5.27, 7.03, 8.79, or 10.55 bar).