Hearth & Home 3-20-6866 Differential Switch Type_Spa Elixir 750 ppm salt level required

750 ppm salt level required for the salt system to generate chlorine FreshWater 5-Way Test Strips Verifies pH

not just the shape

and aeration affect the water

filtration

the essential tool for mastering the art of outdoor griddling

Hearth & Home 3-20-6866 Differential Switch Type_Spa Elixir 750 ppm salt level requiredHearth & Home 3 20 6866 Differential Switch Overview The Hearth & Home Differential Switch (Part Number 3 20 6866) is a crucial pressure sensitive component used in select pellet and gas stove models to monitor and regulate proper airflow and exhaust operation. This OEM part ensures that the combustion and venting systems are functioning safely by detecting differences in air pressure and enabling ignition only under the correct operating conditions.