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The Cleveland Controls DFS-231-121 is a fixed-setpoint diaphragm differential pressure switch engineered for precision performance in HVAC pressure monitoring and combustion air applications
slotted pilot and bypass adjustment keys
Whether you are servicing a Heil furnace
this is a dedicated LP gas valve set for 10" wc
Weil McLain 510-811-938 Conversion Kit Els PW 29614 The Cleveland Controls DFS-231-121 isThe Weil McLain 510 811 938 conversion kit is a field critical assembly engineered to safely transition a heating system from natural gas to liquid propane (LP). As a technician, you know that propanes higher BTU contentapproximately 2,500 BTU ft versus 1,000 BTU ft for natural gasrequires precise air to fuel ratios to prevent soot buildup or heat exchanger damage. This LP conversion kit includes a dedicated gas valve, exact tolerance burner orifices,
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