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As the first component to activate during a heat call
this kit is essential for technicians transitioning systems from Liquid Propane (LP) to Natural Gas
Maintains System Delta-T: Proper pulley alignment ensures consistent airflow and cooling performance
Exceeding this limit may damage the internal silicone diaphragm and affect the accuracy of the set point
Lennox 99K31 Relay mario As the first component toThe Lennox 99K31 relay is a critical OEM replacement component designed specifically for managing blower motor operations in Lennox residential furnaces and AHUs. Rated for a 2. 5 4. 0 AMP load, this SPNO (Single Pole Normally Open) relay ensures reliable low voltage control over high voltage circuits. Field technicians prioritize the 99K31 for its precise 24V coil voltage compatibility, which prevents common failures like relay chatter or pitted
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