Lochinvar & A.O. Smith 100166220 Pressure Switch Els PW 17895 This Sure-Flex Plus coupling component

This Sure-Flex Plus coupling component is optimized for 4-way flexing action

Key Benefits: Direct OEM Compatibility: Specifically designed to replace the Trane CTR1155 and older iterations without mounting modifications

Built with a corrosion-resistant shell

preventing ignition if a flue blockage or inducer failure occurs

5W consumption reduces heat generation within the coil

Lochinvar & A.O. Smith 100166220 Pressure Switch Els PW 17895 This Sure-Flex Plus coupling componentThe Lochinvar & A. O. Smith 100166220 is a high precision air pressure switch designed for critical safety monitoring in commercial and residential HVAC systems. Engineered to function as a Single Pole Single Throw (SPST) switch, this component features a fixed set point of . 10" WC (Water Column). It is essential for verifying proper induction draft and airflow before allowing the ignition sequence to proceed in high efficiency boilers and water