Now one thing that many forget is that most codes also state that a union must be used on a water heater as well.
Dielectric fittings on water heater.
Ron hasil lic 058 160417.
Nevertheless both to comply with plumbing codes and to avoid leaky water pipes use an approved diaelectric coupling or an approved brass nipple if local codes permit when connecting copper to steel pipes or fittings or when connecting copper pipe to the steel fitting at a water heater.
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You don t have to pay special attention to the water connections if your tank has brass or copper connectors and the pipes in your house are copper.
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In order to prevent this plumbers join copper pipes to galvanized steel ones with dielectric unions which are fittings with nonmetallic washers that keep the pipes separated.
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If either the tank nipples or the pipes are.
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Copper to the water heater needs either a dielectric union or a brass fitting to make the transition.
Get free shipping on qualified dielectric fitting water heater accessories or buy online pick up in store today in the plumbing department.
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Galvanized can be hooked directly to the water heater just fine.