While used across many models

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

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

even in cold-start conditions common with high-viscosity fuels

Pressure switches are calibrated specifically for the venting requirements and blower capacity of the unit

ASCO 8210G9-12VDC Solenoid Valve Refrigerant While used across many modelsThe 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