Emerson Alco 054390 Power Assembly 340793-762 Always match the 250°F specification

Always match the 250°F specification of the 10123530 switch to maintain the furnace’s UL certification and ensure the gas valve shuts down at the correct safety threshold

What are the fluid temperature limits for this brass solenoid valve

While a C-wire is recommended for continuous backlighting and consistent 24V power

The module monitors mixed air temperature

It will open the circuit when the pressure reaches 600 PSI and will automatically close the circuit once the system pressure drops back down to 475 PSI

Emerson Alco 054390 Power Assembly 340793-762 Always match the 250°F specificationThe Emerson Alco 054390, also identified as the XB 1019HC2B power assembly, is a critical replacement component for high capacity thermostatic expansion valves. Designed specifically for R22 refrigerant systems, this power element features a 1 4" SAE flare equalizer connection, ensuring accurate superheat sensing and reliable refrigerant metering across varying load conditions. Operating within an application temperature range of 20F to +50F, this