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The Johnson Controls A11B-1 is a professional-grade low temperature cutout control
range provides high-accuracy response to static pressure fluctuations within the vent assembly
move the adjustable flange closer to the fixed flange by rotating the threaded hub
Simplified Installation: Designed as a bolt-on TXV kit for rapid replacement in the field
Armstrong Furnace R100306-02 Pressure Switch Els PW 29614 The Johnson Controls A11B-1 isThe Armstrong Furnace R100306 02 Pressure Switch is a vital safety component designed for precise pressure monitoring in high efficiency HVAC systems. Engineered for reliability, this 0. 3" WC pressure switch ensures that the inducer motor is creating sufficient draft before allowing the ignition sequence to proceed. As a genuine Armstrong replacement part, the R100306 02 provides a perfect fit for compatible gas furnaces, preventing dangerous exhaust