Emerson Alco 047542 Solenoid Valve 320819-301 a disconnected sensor should show

a disconnected sensor should show approximately 5

Proper installation maintains factory-specified safety protocols and maximizes HVAC system reliability and combustion efficiency throughout the heating season

these purple pens serve as a critical component for accurate visual data logging of specific environmental variables

the P81580 offers the reliable calibration necessary to protect heat exchangers from cracking while preventing nuisance shutdowns

High Sensitivity: Fixed

Emerson Alco 047542 Solenoid Valve 320819-301 a disconnected sensor should showThe Emerson Alco 047542 (Model 200RB6S5T) is a heavy duty, pilot operated refrigeration solenoid valve designed for high capacity performance in liquid, suction, or discharge gas lines. Engineered as a 2 way normally closed solenoid valve, this unit features a 5 8" ODF sweat connection with copper extended ends, allowing for streamlined brazing without requiring internal disassembly. With a nominal R22 capacity of 9. 5 tons and an R134a capacity of 7.