including the D4120 and D2E models

including glycol solutions up to 50% concentration

This HVAC defrost control board is a critical Bard heat pump part for contractors performing field repairs or preventative maintenance

This unit is engineered to step down a 480V primary voltage to a stable 24V secondary voltage

The 100109941 features a specialized ceramic base and high-temperature lead wires to prevent electrical arcing and insulation breakdown

Mueller Industries B34580-180 Valve R-134A including the D4120 and D2EThe Mueller Industries B34580 180 is a high performance pressure relief valve engineered for critical vapor and liquid receiver applications in industrial refrigeration systems. This HVAC relay valve features a robust brass body construction to withstand harsh environmental conditions and prevent corrosion during long term field use. With a 1 5 8 inch NPT inlet and a NPTFI outlet, it provides a secure, leak proof interface designed to handle a maximum