How to Install a Heat Pump Water Heater - This Old House

This Old House plumbing and heating contractor Richard Trethewey is in hot water—again. (See below for a shopping list and tools.)

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Full episode:

How a Geothermal Heat Pump Works:

How to Install a Solar-Powered Water Heater:

How to Maintain an Electric Water Heater:

Shopping List for How to Install a Heat Pump Water Heater:
- electric heat-pump water heater
- copper pipe and assorted fittings and valves, used to connect new water heater
- solder, flux and emery cloth, for sweating copper pipe
- plastic tubing, used to drain condensation from the heater
- tubing staples, for securing the plastic tubing to the wall
- ball valves, used to replace old shut-off valves

Tools for How to Install a Heat Pump Water Heater:
- tubing cutter, used to cut copper tubing
- pliers and wrenches, used to tighten and loosen threaded fittings
- propane torch, used to solder pipe joints
- hammer, for tapping in tubing staples
- utility knife, used to cut plastic tubing

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