How to Install a Hot Water Recirculation Pump | This Old House

This Old House plumbing and heating expert Richard Trethewey delivers hot water on demand. (See below for a shopping list and tools.)
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Shopping List for Install a Hot Water Recirculation Pump:
recirculation pump []
1 5/8-inch screws []
Tools for Install a Hot Water Recirculation Pump:
mini-hacksaw []
adjustable wrenches []
drill/driver [] fitted with 3/4-inch-diameter spade bit []
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How to Install a Hot Water Recirculation Pump | This Old House
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