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the 170-200°F temperature profile is specific to certain furnace BTU ratings and blower configurations
Durable Construction: Engineered for long-term stability in high-cycle environments typical of PD and BD series heaters
it often indicates the 43K53 is unable to send a sufficient microamp signal to the control board due to oxidation or internal failure
OEM Compatibility: Designed specifically for York CM9M100C16MP11A and related models
the Robertshaw 41-590 dryer ignitor is the primary replacement for most major brands
Lennox 82M33 Pressure Switch the 170-200°F temperature profile isThe Lennox 82M33 Pressure Switch is a critical safety component designed for precise combustion air monitoring in high efficiency furnaces and HVAC systems. As a Single Pole Single Throw (SPST) switch with a fixed setpoint of 1. 25" WC (Water Column), it ensures the inducer motor is moving sufficient air before the ignition sequence begins. This OEM Lennox replacement part features dual 1 4" barb connections, allowing for straightforward integration
