excluding only specialized models like the TC-114 and TA-121

please verify the specific AG or AH actuator series requirements

though it remains a primary choice for maintaining legacy R-22 systems

Always verify chemical compatibility before using with oils to prevent seal swelling

Common Questions: What do the flashing LED codes mean on the 74W03

Heil Quaker ICP 1186810 Limit Switch 318973-401 excluding only specialized models likeThe Heil Quaker ICP 1186810 Limit Switch is a critical safety component designed for precise thermal monitoring in high efficiency gas furnaces and air handlers. Engineered with a 165 degree Fahrenheit open temperature and a 125 degree Fahrenheit close temperature, this L165 40 manual reset switch prevents heat exchanger overheating by breaking the electrical circuit to the gas valve when temperatures exceed safe operating limits. This OEM replacement