Hydrolevel 1100 Low Water Cut-Off R-407C tailored for 21/32" top width

tailored for 21/32" top width sheaves

Contractors utilize this Robertshaw 5300 series thermostat for its reliable snap-action switching

and Packard units

specifically within low-to-medium pressure heating systems

Is this module compatible with older 943-0109-00 units

Hydrolevel 1100 Low Water Cut-Off R-407C tailored for 21/32" top widthThe Hydrolevel 1100 (Part Number 45 1100) is a 24Vac compact low water cut off engineered specifically for residential boiler protection in space constrained installations. This probe type LWCO utilizes advanced electronic water level sensing to protect hydronic systems from dry fire conditions. Featuring an automatic reset function, it restores the burner circuit once a safe water level is detected. The control includes a dedicated burner circuit