Air Source Heat Pump Water Heaters
In this presentation, Gary Klein shares important information about air source heat pump water heaters (HPWH), with particular attention paid to where the warm air comes ...
Cast-Iron Radiator Restoration: Removing Old Pipe Nipple to Make Way for New Fittings
Bob "Hot Rod" Rohr of Caleffi shows how to remove an old pipe nipple to make way for new fittings when restoring a radiator.
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