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The polyethylene float and silicone rubber seal are designed to ensure the valve plug remains secure once air is displaced
the thermocouple is likely generating enough millivolts to hold the safety valve
preventing premature component wear
Key Benefits for HVACR Contractors Universal Input: Operates on both 24 VAC and 24 VDC for maximum compatibility with various DDC controllers and 24V transformers
Precision Tolerance: Close-tolerance C x C (Cup-to-Cup) ends ensure a consistent capillary gap for superior solder or braze penetration
Watts 0342691 Relief Valve The polyethylene float and siliconeThe 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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