Is this valve suitable for CO2 (R744) systems

the 42J03 is mounted on the furnace plenum or the blower deck to monitor air temperatures directly coming off the heat exchanger

or visible grease leakage

Using an OEM kit ensures that the BTU input remains consistent with the original design

making it a standard replacement for standard modulating fan speed controllers in demanding mechanical environments

Lochinvar & A.O. Smith 100157743 Kit Els PW 17895 Is this valve suitable forProfessionals in the field know that maintaining system integrity starts with high quality safety components. The Lochinvar & A. O. Smith 100157743 Kit is a direct OEM replacement part featuring a 230F manual reset high limit switch. This kit is technically identical to the Lochinvar KIT3117, engineered specifically for high performance water heaters and boiler systems. When a primary thermostat fails, this 230 degree high limit kit acts as a critical