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This HVAC service valve is engineered for high-pressure R-410A applications
features a 3/8-inch outer diameter (OD) rod construction to ensure structural rigidity under hydraulic pressure
Its rugged construction facilitates more accurate flame sensing and longer service life compared to standard residential alternatives
This sequencer typically operates with an on-delay of 1 to 20 seconds and an off-delay ranging from 40 to 110 seconds
Watts 0342691 Relief Valve This HVAC service valve isThe Watts 0342691 (Model 335M2) is a high capacity boiler pressure relief valve engineered for hydronic heating systems and low pressure steam applications. Featuring a 3 4" female NPT inlet and 3 4" female NPT outlet, this ASME Section IV rated safety valve is factory set to 30 PSI, providing critical overpressure protection for residential and light commercial boilers. With a steam discharge capacity of 510,000 BTU hr, it serves as the direct
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US$ 475.00
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