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- Series 1L, 1XL 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 15,000 BTU/hr. They feature a bronze body with NPT threaded male inlet and NPT threaded female outlet connections, unique thermostat with special thermo-bonded coating and test lever. Series 1L, 1XL are CSA listed. Model 1L has 2 in. (50mm) thermostat and a test lever. Model 1XL has an extension thermostat. Temperature Relief: 210 deg F (99 deg C), Pressure Relief Range: 75 to 150psi (5.2 to 10.3 bar), Standard Pressure Settings: 75, 100, 125, or 150psi (5.27, 7.03, 8.79, or 10.55 bar).
WATTS® Temperature/Pressure Relief Valve, Series: 1XL, 1/2 in Nominal, MNPTxFNPT, 150 psi, 210 deg F, Bronze Body, Domestic
- Features a unique thermostat with special thermo-bonded coating
- Stainless steel spring
- Thermostat is accurate and proven exclusively designed and manufactured by WATTS®
- This device is designed for emergency safety relief and shall not be used as an operating control
- Inquire with governing authorities for local installation requirements
- Maximum system operating pressure must not exceed 75% of valve set pressure
- Body MaterialBronzeDomestic / ImportDomesticEnd StyleMNPT x FNPTNominal Size1/2 inPressure Rating150 psiHeight7.75 inManufacturerWatts Water TechnologiesManufacturer #0004494Series1XLTemperature Rating210 degF