Watts 0386471 Valve 326058-758 this is a scale control

this is a scale control maintenance kit focusing on the distribution components (tray

Whether you are performing a routine summer tune-up or an emergency service call

the kit ensures the burner plate and air shutter adjustments align with propane’s higher BTU density and lower air-to-fuel ratio requirements

maintaining the integrity of the original air handler or furnace airflow profile

Common indicators include solenoid humming

Watts 0386471 Valve 326058-758 this is a scale controlThe Watts 0386471 (Series 9D M3) is a heavy duty 1 2" backflow preventer with vent designed specifically for boiler feed lines, laboratory equipment, and processing tanks where continuous pressure is a factor. As a veteran grade dual check valve, it features a forged brass body and stainless steel internal components to resist fouling and ensure long term reliability in non health hazard applications. The integrated atmospheric vent provides an