they are functionally identical

installing this specific 11x11 blower wheel is essential for eliminating vibration and balancing issues common with generic alternatives

05" WC Rating: Factory-calibrated to ensure accurate proving of the combustion air blower

This part is specifically calibrated for natural gas (NG) configurations and must be matched to the unit's serial number to ensure correct orifice and pilot alignment

Bard HVAC 5651-077 TXV 322055-301 they are functionally identicalThe Bard HVAC 5651 077 Thermostatic Expansion Valve (TXV) is a critical metering device engineered for precise refrigerant flow control in 2. 5 ton air conditioning and heat pump systems. Designed with 3 8" x 3 8" ODF solder connections, this valve ensures a leak free integration into the liquid line. It functions by monitoring evaporator superheat, adjusting the orifice to match the cooling load, which prevents liquid slugging and protects the