this genuine OEM HVAC control board manages primary furnace sequences including hot surface ignition

What are the signs that a body gasket needs replacement

simplifying the electrical troubleshooting process

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Reliable Stepping: Efficiently converts 120V to 24V to power sensitive thermostat circuits and multi-zone relays

Trane 4AYTXVH3G2436A TXV 320788-702 this genuine OEM HVAC controlThe Trane 4AYTXVH3G2436A TXV is a critical OEM thermal expansion valve engineered for precision refrigerant metering in 3 ton R410A cooling systems. Designed for 4GXC, 4MXC, and TMM4 indoor coils, this non bleed, externally equalized valve maintains optimized superheat levels by adjusting flow based on evaporator temperature. By preventing liquid slugging and ensuring the evaporator coil is utilized to its full capacity, this component is essential