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Powerflame Burner Control
have recently evaluated heating needs and related it to burner control specs
this is a 15 section cast iron steam boiler with a burner range of 1.9m - 4.6million btu's per hour. the boiler is rated for 3 million btu's per hr.
however, the radiator capacity is 750 btu's per hour (clearly an oversized boiler). I was hoping to reduce the burner settings but it seems that the low end of burner range is 1.9m btu's per hour. even if the burner is manually set to lowest point (and abandoning all the modulating controls that exist), its still a major oversize problem.
not sure if burner can be surgically modified to achieve a reduced range. it would be preferable to have a burner output range of 300 to 1.0 million btuh, and this means that a new burner would be needed and the boiler size would need to be reduced (probably half the sections of steam boiler would need to be removed to accommodate a smaller burner)
curious on thoughts/ideas about these burner related issues.