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designed to interrupt the burner circuit if the heat exchanger temperatures exceed safe operating parameters
An air-fuel or oxy-acetylene torch with a neutral to slightly carburizing flame is standard
technicians should check for continuity across the terminals when the switch is cool
Thermal Response: Thin-wall stainless steel design optimizes heat transfer from the medium to the internal sensing element for accurate staging
Professional-Grade Wiring: Pre-stripped 8-inch color-coded leads simplify field connections for faster installs
Schneider Electric (Barber Colman) 22-138 Gauge Adaptor designed to interrupt the burnerThe Schneider Electric 22 138 Gauge Adaptor is a critical fitting designed for precise pneumatic system diagnostics and calibration. This Barber Colman gauge adapter features 1 8" 27 FPT threads, allowing for the seamless integration of standard pressure gauges into existing control loops. Specifically engineered to interface with the 22 137 check valve and 22 143 check valve tee, this adapter ensures a leak free connection for accurate pressure
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