T&P Relief Valves

ASME SECTION IV
Series N240X

Temperature & Pressure Hot Water Boiler Relief Valve

The combinted 2-in-1 temperature & Pressure Relief Valve provides the least expensive and proven means for protection against both excessive termpature and pressure emergency conditions.

Fully automatic temperature and pressure relief protection for domestic hot water supply tanks and heaters based on the latest ANSI z21.22 Listing requirements for temperature discarge capcity.

40 XL with test lever and extension theromostat for installation in hot water outlet within the allowable distance from the top of the tank based on latest ANSI z21.22 Sizes 3/4" and 1" (19-25mm).

Series 140, N240 and 340 have the same basic body construction and advanced design features as the Series 40 and are identical to the Series 40 ecept for discarge capacityand size of inlet and outlet connections.

Features
  • Bronze body construction.

  • Non-mechancial seat-to-disc alignment.

  • Thermostat is accurate and proven. Exclusively designed and manfactured by Watts.

  • Tamper-resistant bonnet screws.

  • Series 40 and 140 feature a unique thermostat with a special thermo-bonded coating.

  • Series 140 sizes 1" (25mm) and above are standardly furnished with stainless steel thermostat tube.
  • We always stock an extensive inventory of valves. 24 hour shipping available for most items. Contact us for specific quantities.