Johnson Controls AFS-460-DSS Sensing Switch Els PW 17895 Solid terminal connections and a

Solid terminal connections and a rugged housing provide durability in high-vibration environments typical of HVACR installations

this thermal expansion tank comes with a factory pre-charge of 20 PSI

It comes with 18-inch leads and should be wired according to the original 120V control circuit specifications for your zone valve or damper system

What is the purpose of the yellow spring

when used within the appropriate Maxitrol regulator

Johnson Controls AFS-460-DSS Sensing Switch Els PW 17895 Solid terminal connections and aFor contractors managing airflow verification in sensitive HVAC systems, the Johnson Controls AFS 460 DSS Sensing Switch provides the redundancy and manual intervention required for critical safety protocols. This industrial grade air pressure sensing switch is designed to monitor positive, negative, or differential air pressure within a range of 1. 25" 0. 06" to 12" w. c. Featuring two SPST normally closed contact arrangements, this dual switch