Vibration Isolation: High-density material reduces mechanical vibration

making it versatile for various control system architectures

Vent limiters are designed for indoor use

making it suitable for a wide range of HVACR environments

and the essential P100100 observation door gasket to ensure a gas-tight seal during operation

Hydrolevel 1100H5 Low Water Cut-Off 321042-401 Vibration Isolation: High-density material reducesThe 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