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40" WC Actuation: Ensures safe venting by verifying optimal negative pressure before gas valve ignition
While both are thermal safety switches
The ACI A/CP-O-EH is a precision 10K Type II thermistor designed specifically for outside air temperature monitoring in commercial building automation systems
ideal for both potable water and mechanical piping systems
System Sensor P2RK Detection Accessory Els PW 17895 40" WC Actuation: Ensures safeSystem Sensor P2RK Gas Smoke Detection Accessory, 12 24Vdc Operating Voltage, 2 Wire, Red SpectrAlert Advance Outdoor Wall Mount Horn and Strobe marked with FIRE, Adjustable Standard Candela Setting, and Plastic Weatherproof Back Box
US$ 25.69
US$ 33.63
US$ 37.02