Hydrolevel 1100H5 Low Water Cut-Off 320788-704 or the switch diaphragm has

or the switch diaphragm has lost its calibration

not a primary particulate filter

and Tempstar brands

this unit is shipped with high-quality Polyolester (POE) oil

Techs can rely on this switch for consistent pressure monitoring and maintaining system envelope limits in residential and light commercial condensers

Hydrolevel 1100H5 Low Water Cut-Off 320788-704 or the switch diaphragm hasThe Hydrolevel 1100H5 is a 24VAC low water cut off (LWCO) engineered specifically for high efficiency residential boilers. This compact probe type control utilizes Hydrolevel CycleGard technology to periodically shut down the burner, allowing the water level to stabilize for accurate sensing without nuisance tripping. It features an automatic reset function and an integrated burner circuit test button for rapid diagnostic verification during