The rugged die-cast aluminum housing and NEMA 1 rating make it a staple for contractors replacing obsolete units like the H2000-8A

as the material compresses over time and may not reseal properly once disturbed

the forged brass construction easily handles the high-pressure demands of R-410A and A2L refrigerants

Corrosion Resistance: Treated to withstand the moisture-laden environments typical of air handling units and evaporator coils

helping to maintain stable superheat and preventing liquid slugging at the compressor

Daikin-McQuay 065493801 Pressure Switch mario The rugged die-cast aluminum housingThe Daikin McQuay 065493801 is a high precision HVAC pressure control switch engineered for critical monitoring in light commercial and industrial environmental systems. As a genuine OEM Daikin replacement part, this adjustable pressure switch prevents compressor damage and ensures safe duct static levels by opening the electrical circuit when setpoints are breached. Designed for 120 240 VAC applications with a 1 4 HP rating, the 065493801 features a