the internal bimetal disc or contact points have failed and the part must be replaced

extending the service life of your low pressure steam boiler

which protects the compressor and heat exchanger from thermal stress

Field Serviceable: The internal piston and seat assembly are accessible for cleaning or replacement without removing the valve body from the line

or the inability of the damper to reach its full stroke under rated pilot pressure

BASO H17BA-2 Gas Valve Els PW 29614 the internal bimetal disc orThe BASO H17BA 2 is a robust automatic shut off pilot gas valve designed specifically for low pressure standing pilot applications. Built for high reliability in demanding environments, this 1 4" NPT valve is compatible with both natural gas and liquid propane (LP) systems. It functions as a safety interlock, automatically cutting off gas flow if the pilot flame is extinguished, preventing hazardous gas accumulation. With a maximum pressure rating of