Daikin-McQuay 074513201 Crankcase Heater This furnace door safety switch

This furnace door safety switch functions as a primary disconnect

the electrode assembly is typically sold separately depending on the burner configuration

which translates to quieter operation and improved electrical integrity in demanding environments

Ensuring a precise fit for the Reznor model 170039 is essential for pressure switch stability and overall burner efficiency

the AT-505 Schneider Electric accessory simplifies the retrofitting process by accommodating standard wiring configurations

Daikin-McQuay 074513201 Crankcase Heater This furnace door safety switchThe Daikin McQuay 074513201 Crankcase Heater is a critical OEM replacement part designed for industrial and commercial HVAC systems, specifically to protect compressors during off cycles. Operating at 120V and 70 Watts, this heater maintains an optimal temperature within the crankcase housing, preventing refrigerant migration and subsequent oil dilution. By keeping the lubricant at a temperature above the refrigerant saturation point, it ensures