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Built for durability in demanding HVACR mechanical rooms
System Durability: Prevents heat exchanger overheating by ensuring the blower engages and disengages at exact manufacturer-specified temperatures
HVAC professionals recommend inspecting the test lever annually and replacing the valve if any signs of leakage
this idler sheave ensures proper alignment and reduces lateral vibration that kills motor bearings
the 14004697-001 maintains structural integrity under fluctuating pressure loads
Williams P500472 Limit Switch Built for durability in demandingMaintain the operational integrity of your heating equipment with the Williams P500472 Limit Switch, a critical OEM replacement part engineered for selective gas fired heating systems. This vent safety switch features a fixed temperature setting of 280F (L280), functioning as a primary safeguard against flue gas spillage and overheating conditions within the venting assembly. Specifically designed for manual reset (M R) operation, this switch requires
US$ 74.50
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