The T-4000-119 pneumatic tool is essential for HVAC calibration tasks

The 023Z0014 is a unidirectional filter drier

Optimized for high-capacity systems

and internal seating components

Reznor 196654 Pressure Switch Els PW 17895 The T-4000-119 pneumatic tool isThe Reznor 196654 Pressure Switch is a critical safety component designed for precise combustion air proving in Reznor HVAC unit heaters. This SPST (Single Pole Single Throw) pressure switch is factory calibrated to a . 42" WC (Water Column) set point, ensuring the inducer motor generates sufficient static pressure before allowing the ignition sequence to proceed. Engineered with dual 1 4" barb connections, this switch facilitates secure differential