Does this sensor require a specific calibration gas

the 100288878 Gasket is utilized across several commercial water heater and high-efficiency boiler platforms

and 1/2" nuts

Is this compatible with 24V AC systems

York S1-6HK06500806 Kit Els PW 17895 Does this sensor require aThe York S1 6HK06500806 Electric Heat Kit is a field installed 8kW electric heater accessory designed for seamless integration with compatible residential air handlers. This 1 stage 240V heat kit provides 8000W of supplemental or primary heating capacity, operating at a nominal 33. 33A on a single phase circuit. Engineered for precision fitment, this 08kW heater kit features a polarized 6 pin socket connector to ensure correct electrical phasing and