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and low-GWP blends like R1234ze
ensure high-cycle performance in both hot and chilled water applications
preventing premature sensor failure and ensuring the standing pilot remains stable under varying gas pressures
Always verify the voltage and wattage ratings on the water heater's data plate
Cleveland Controls AFS-405-121 Switch Els PW 17895 and low-GWP blends like R1234zeThe 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
