Bard HVAC 5651-178BX Expansion Valve 321042-401 Ensure the media is filtered

Ensure the media is filtered and the voltage is within ±10% of the nameplate rating

making it suitable for laundry equipment

this is an electrically identical upgrade for the older RLY02257

Common Questions from the Field: Does this board replace the Carrier LH33WP003

Converting to LP would require a different orifice size to maintain the correct BTU input and flame stability

Bard HVAC 5651-178BX Expansion Valve 321042-401 Ensure the media is filteredThe Bard HVAC 5651 178BX Thermostatic Expansion Valve is a critical metering device designed to regulate refrigerant flow into the evaporator coil, ensuring precise superheat control across varying thermal loads. This TXV replacement features 3 8" x 3 8" connections and serves as the official Bard 5651 178 direct replacement, improving system reliability in specialized wall mount units and heat pump applications. For technicians troubleshooting HVAC