4 bar (20 psi) and is fully open at 3 bar (43 psi)

Operating on a versatile 120/240V

choose Neoprene inserts for those specific conditions

Optimized Flame Geometry: Provides uniform heat distribution to maximize thermal efficiency and protect the heat exchanger

33" WC but the switch contacts remain open on your multimeter

Trane SEN1183 Ambient Sensor 320788-703 4 bar (20 psi) andThe Trane SEN1183 Ambient Sensor is a precision 10k Ohm NTC thermistor assembly engineered for critical temperature monitoring in commercial and residential HVAC systems. As an essential feedback component for the system controller, it delivers real time outdoor air temperature data to manage defrost cycles, low ambient cooling operations, and economizer logic. This sensor is the direct OEM replacement for the Trane SEN01183, featuring identical