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Owing to a unique winter inspired set of consequences, I find my self about to replace my 100kBTU Burnham Holiday boiler in my 2000sf 2 storey home. I see a couple of threads suggesting 100k BTU is way over the actual thermal load on there, although we assessed a quick napkin calculation on the...

I've had flow problems in my hydronic heating since getting my expansion tank replaced a couple of years ago. Last year it sounded like the Flo Control valve was rattling, looking over a diagram of how they're put together, might well be that the weight and washer had become detached. It was...

I have a gas - hot water central heating system, with a regulator from the mains to maintain water level and an expansion tank inline close to the boiler (60k BTU Burnham "Holiday", good few years old). Recently the pressure (there's a gauge on the boiler) has been swinging alot when it is in...