Watts 0067608 Radiator Valve 321142-301 or the system shutting down

or the system shutting down due to the high-limit switch tripping from overfiring

It prevents liquid refrigerant from mixing with the compressor oil when the unit is not running

While some external dimensions may match older units

it monitors the air pressure within the burner enclosure and collector box to maintain safe combustion

This unit is widely used in air conditioning condensers

Watts 0067608 Radiator Valve 321142-301 or the system shutting downFor veteran contractors managing aging hydronic systems or modernizing steam loops, the Watts 0067608 Radiator Valve (Series RA 1 SW) provides a robust shutoff solution engineered for high demand environments. This 1 1 4" steam radiator gate valve features a heavy duty bronze body, making it a reliable choice for both residential and commercial heating systems. Designed as a straight pattern valve with thread x male union connections, it facilitates a