Cleveland Controls AFS-405-121 Switch Els PW 17895 The Weil McLain 383-500-125 Outdoor

The Weil McLain 383-500-125 Outdoor Temp Sensor is a critical OEM component designed to provide real-time ambient temperature data to the Weil McLain Ultra Gas Boiler control module

Key Benefits Precision Balance: The 4-blade design with a 1/2" bore ensures smooth

it can function in mixing applications if the open port pressure exceeds the closed port pressure to maintain seat integrity

This Functional Devices RIB series component is a standard for contractors requiring a durable power control relay that eliminates the need for separate housings or complex mounting brackets

Diagnostics: Visible LED indicates relay activation to assist with quick system startups and commissioning

Cleveland Controls AFS-405-121 Switch Els PW 17895 The Weil McLain 383-500-125 OutdoorThe Cleveland Controls AFS 405 121 is a professional grade air pressure sensing switch specifically engineered for HVAC, DDC, and energy management proving circuits. This field adjustable unit features a broad operating range of 0. 05" w. c. to 12. 0" w. c., making it a versatile solution for sensing positive, negative, or differential air pressure across filters, coils, and fans. To ensure reliable performance in low current and computer interface