https://204629e7-70f9-440e-bc07-43336594633f.azurewebsites.net/shop/p/6857353-052303-24/watts-100xl-150-relief-valve-34-in-150-psi-operating-mnpt-x-fnpt-brass-body
100XL-150 Relief Valve, 3/4 in, 150 psi Operating, MNPT x FNPT, Brass Body
Sku: 6857353-052303-24
$38.42
59 Available at
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Estimated Arrival On: 11/06/2025
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. Features a bronze body with NPT male inlet and NPT female outlet connections, unique thermostat with special thermo-bonded coating and a test lever. ASME rated and CSA listed. Temperature relief is 210 deg F (99 deg C), Pressure relief range is 75 to 150psi (5.2 to 10.3 bar).
- Made from lead-free brass, this valve is built to withstand high temperatures and pressures, ensuring longevity and reliability.
- Featuring a 3/4 inch MNPT inlet and a 3/4 inch FNPT outlet, this valve is compatible with a wide range of water heater and hot water storage tank applications.
- Designed for straightforward installation, this valve can be easily integrated into your existing plumbing system.
- Equipped with a test lever, this valve allows for easy testing of the valve's functionality, ensuring it operates correctly when needed.
Nominal Size
3/4
Connection Type
MNPT x FNPT
Operating Pressure
150
Body Material
Brass
Temperature Rating
210
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