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Broad System Compatibility: Seamlessly integrates with Maxitrol M-Series modulating valves (M420
Engineered for heavy-duty electrical loads
As an auto reset HVAC limit switch
contractors can restore factory-spec timing and signal strength to the ignition control module
If you’re seeing a pilot flame that hits the tip but won't stay lit after releasing the knob
Watts 0121504 Valve Freon Broad System Compatibility: Seamlessly integratesThe Watts 0121504, officially designated as the LF174A 125 1, is a heavy duty, lead free boiler pressure relief valve engineered for high capacity protection in hot water heating and domestic supply systems. This 1 inch NPT valve is ASME Section IV rated, featuring a 3,215,000 BTU hr steam discharge capacity at its fixed 125 psi setting. Constructed with a lead free copper silicon alloy body, it ensures compliance with modern potable water regulations
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