Most homeowners have experienced a temporary blockage or sluggish drains in their plumbing minor blockages often can be cleared with a plunger. Elec boiler output is in kilowatts---1 kw = 3400 btu/hr---thus a 20 kw elec boiler = 68,000 btu/hr oil-fired boiler---a 30 kw elec boiler = 102,000 btu/hr oil-fired.
Added: 2020-05-08 | Category: one
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