How to Install a Toilet Below Grade | This Old House

This Old House plumbing and heating expert Richard Trethewey shows how to outfit a bathroom that's at basement level. (See below for a shopping list and tools.)

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Richard installed a macerating toilet in a newly-finished basement. He connected the macerating unit to previously-installed water supply, waste, and vent lines. He then connected the toilet to the macerator, plugged the unit into a 110-volt GFCI outlet, and turned on the water.

Shopping List for How to Install a Toilet Below Grade:
macerating toilet [amzn.to/2NaqPme], required for below-grade installations
PVC pipe and fittings [amzn.to/2NVt1O3]
PVC pipe primer [amzn.to/2PZfLud]
PVC pipe cement [amzn.to/2LHo2h8]
stainless-steel hose clamps [amzn.to/2NXkCJQ], used to secure connections between toilet and macerator unit

Tools for How to Install a Toilet Below Grade:
nut driver [amzn.to/2NVfQwp], used to tighten stainless-steel hose clamps
drill/driver [amzn.to/2LrY6Y6], fitted with Phillips driver bit [amzn.to/2NVykgk] and 5/32-inch drill bit [amzn.to/2Ag9PSR]

Richard installed a Saniplus macerating toilet manufactured by Saniflo [saniflo.com/us/]

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How to Install a Toilet Below Grade | This Old House
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