Common Questions What are the symptoms of a failing pressure switch

Quiet Operation: Eliminates the rattling or inconsistent fan speeds associated with failing mechanical switches

allowing for motor control module replacement without removing the entire blower wheel

significantly lowering operational overhead

Common Questions Is the Carrier 343123-75101 Shield a universal fit for all condensate pans

Daikin-McQuay 668043001 Valve 321142-301 Common Questions What are theThe Daikin McQuay 668043001 Valve is an essential OEM thermostatic expansion valve (TXV) engineered for precision refrigerant metering in commercial HVAC systems. This specific 1 4" x 3 8" ODF expansion valve is designed as a direct replacement part for Daikin and McQuay equipment, commonly utilized in R22 refrigerant applications to maintain a constant superheat at the evaporator outlet. By regulating the pressure drop from a high pressure liquid to