Series 100XL Temperature and Pressure Relief Valves are used in water heater and hot water storage tank applications to provide automatic temperature and pressure protection to hot water supply tanks and hot water heaters up to 105 000 BTU/HR. They feature a bronze (brass) body with NPT male inlet and NPT female outlet connections, unique thermostat with special thermo-bonded coating, and a test lever. Model L100XL is also available with 8 in (200mm) extension thermostat. Series 100XL is CSA listed. Temperature Relief: 210°F (99°C). Pressure Relief Range: 75 to 150PSI. Standard Pressure Settings: 75, 100, 125, or 150PSI.