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acidic environment of a 90%+ AFUE furnace's collector box or inducer housing
This specific model is designed for water and glycol
The unit features 18-inch leadwires for flexible wiring within tight mechanical enclosures and includes a manual lever for emergency positioning during power failures or system testing
The McDonnell & Miller SA259-24 is the upper fitting specifically designed to connect to the top of the gauge glass or water column
Schneider Electric (Barber Colman) 2353-501 Relay Els PW 29614 acidic environment of a 90%+The Schneider Electric 2353 501 Pneumodular Diverting Relay is a precision engineered pneumatic control relay designed for high performance HVAC automation and pneumatic logic circuits. Operating within a 3 to 20 psig set point range, this Barber Colman crossover component utilizes a snap acting SPDT switch mechanism to divert air signals between ports based on branch line pressure. When the signal pressure remains below the calibrated set point, the