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This thermal expansion valve installation requires brazing with a heat sink to protect the internal diaphragm and needle assembly
it features precision-molded connectors and high-gauge conductor wiring to prevent terminal arcing and intermittent connectivity issues common in aging Carrier air handler units
Using a calibrated multimeter set to the Ohms scale
Perform a standard "evaporation test" or "slow drain test" to ensure the relay properly trips the burner circuit and activates the pump when the water level drops below the safety threshold
Lennox 24H65 Drian Pan 322057-301 This thermal expansion valve installationThe Lennox 24H65 is an essential OEM replacement horizontal drain pan engineered for high performance condensate management in residential and light commercial HVAC systems. Designed specifically for horizontal flow configurations, this pan (part number 107196 02 or 107196 03) ensures that moisture extracted during the cooling cycle is efficiently channeled to the primary or secondary drain lines, preventing water pooling and costly property damage.
