The RB-122E Low Water Cut-Off is specially designed to protect hot water boilers from the hazards of a low water condition. If the boiler is starved from water, it can have catastrophic results, from...
The RB-122E Low Water Cut-Off is specially designed to protect hot water boilers from the hazards of a low water condition. If the boiler is starved from water, it can have catastrophic results, from...