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A damaged or incorrect orifice can lead to flame rollout or poor venting performance in intermittent pilot and direct spark ignition systems
System Longevity: Prevents debris buildup in valves and actuators
15" WC setpoint
What actuators are compatible with the B340
Failure of this switch often results in a "no-fire" condition or blower prover circuit error codes common in Lochinvar Knight and A
Lennox 65W90 Temp Switch 319848-301 A damaged or incorrect orificeIf you are seeing excessive ice buildup on the outdoor coil or the heat pump is failing to initiate its defrost cycle during low ambient conditions, it is likely time to replace the Lennox 65W90 Defrost Temperature Switch. As an OEM Lennox 102298 01 replacement, this defrost sensor is engineered specifically for Lennox heat pump and AC units to monitor the refrigerant temperature at the distributor or liquid line. When the coil temperature drops below
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