RBT-3000 LWCO AND FUEL ECONOMIZER Vendor_McDonnell & Miller • Maximum steam output pressure

• Maximum steam output pressure from main valve:

McDonnell & Miller 21 Series Data Sheet

eliminating need for equalizing connections

• Direct mounting eliminates need for equalizing connections

• For low pressure steam and hot water boilers larger than 5

RBT-3000 LWCO AND FUEL ECONOMIZER Vendor_McDonnell & Miller • Maximum steam output pressureRBT 3000 Low Water Cut off Fuel Economizer 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 in 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,