The RBT-3000 is a combination Low-Water Safety Cut-Off and Fuel-Saving controller for residential heating systems.
The Low Water Cut-Off is specifically designed to provide burner cut-off if there is an unsafe water loss, which can result from a broken or leaking radiator or pipe, or a cracked section in the boiler.
The Energy saving feature reduces: fuel consumption, wear on boiler parts and burner emissions, by actively managing the burner cycling, in conjunction with the boiler operating-control, to properly match boiler-output to the required load. This controller indicates actual savings on a burner cycle by cycle basis and also indicates the averages of these cycles. All programmable parameters are stored in non-volatile memory.
McDonnell & Miller is a leader in engineering and manufacturing boiler controls, liquid level controls, low-water cutoffs, and flow switches for steam and hot water boilers in industrial, commercial, and building trades applications.