When To Use Sealants On Threaded Plumbing Connections

Making watertight connections with This Old House plumbing and heating expert Richard Trethewey. (See below for a shopping list.)

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Shopping List for When to Use Sealants on Threaded Plumbing Connections:
– Teflon tape, used to wrap around threaded plastic fittings
– pipe sealant (a.k.a. pipe dope), used for brushing onto threaded fittings
– wicking string, used to wrap around and fill spaces between male threads

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