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I'm planing on istalling a peerless model mi boiler this spring in my apt bldg (3 stories 2 apts 1 bus. all about 4200sq built in 1903 no insulation) could anyone tell me of there good or bad experience with the peerless model mi or the utica mgb? I can get either brand boiler from an hvac supplier. My heating system is a hot water gravity conversion with about 16 rads the boiler size I want to go with is around 165 k input does this boiler size sound right for this size ? will appreciate any answers j.h.