Common Questions What is the difference between 3/4" O

it provides a precise fit for larger 1 1/4-inch pipe diameter applications

and 43-inch wire leads into a single

OEM Compatibility: Specifically designed to replace Trane CPT1074 and CPT01074 without requiring bracket modifications

Ensure the shaft is clean and free of burrs

Reznor 205443 Pressure Switch Els PW 17895 Common Questions What is theThe 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