Reznor 205443 Pressure Switch Els PW 17895 Common Questions: Why is my

Common Questions: Why is my blower running but the heat is cold

C thermometer and a setpoint window for rapid field diagnostics

If voltage is present but the sequencer contacts do not close after the rated time delay (typically 1

Built for durability in commercial and industrial air handling units

Reznor 205443 Pressure Switch Els PW 17895 Common Questions: Why is myThe Reznor 205443 Pressure Switch is a critical safety and operational component designed for precise 0. 75" wc (water column) monitoring in high efficiency heating systems. As a Single Pole Single Throw (SPST) switch, it provides a reliable normally open circuit that closes upon reaching the specified set point to prove draft and authorize the ignition sequence. This OEM Reznor replacement part features dual 1 4" barb connections, ensuring a secure