this L170-30F switch prevents heat exchanger damage by interrupting the burner circuit if internal plenum temperatures exceed safe operational parameters

inconsistent flame sensor signals

engineered to interrupt the electrical circuit when internal plenum or heat exchanger temperatures reach the 200°F (93°C) set point

Does this kit include a low-pressure switch

this kit is the designated Watts U5 replacement part for 3/4" units

ASCO 8210G9-12VDC Solenoid Valve Refrigerant this L170-30F switch prevents heatThe ASCO 8210G9 12VDC Solenoid Valve is a pilot operated, 2 way normally closed general service valve engineered for high flow applications in commercial and industrial systems. Built with a durable brass body and NBR (Nitrile) seals, this 3 4" NPT valve is optimized for 12V DC operation, providing reliable fluid control for air, inert gas, water, and light oil. As part of the ASCO RedHat II series, it includes a NEMA 4X enclosure, ensuring watertight