The exhaust side typically requires a positive pressure switch

this Y-shaped duct fitting stands up to the thermal stresses common in industrial HVAC applications without the risk of corrosion or significant air bypass

it eliminates the mounting and alignment struggles common with universal alternatives

the 56K26 is the current service part number for the LB-79560 flue box used across multiple G51

Direct Plugin Installation: Pre-terminated wiring harness ensures a secure

Trane VAL2979 TXV Els PW 29614 The exhaust side typically requiresThe Trane VAL2979 TXV is a critical fluid metering component engineered to maintain precise superheat control in 4 ton HVAC residential air conditioning and heat pump systems. Designed for high reliability applications, this thermostatic expansion valve features 1 2 inch ODF inlet and outlet connections, facilitating a robust sweat fit installation for professional technicians. By modulating refrigerant flow into the evaporator coil, this OEM