We can repair and weld new fittings on RV Water tanks!
We can repair and weld new fittings on RV Water tanks!

For applications that require water tight and chemically resistant plastic to be used, The Plastics Guy offers polywelding (Plastic Welding) services using HDPE, Polypropylene, PVC, King Starboard and other chemically resistant polymers. Plastic welding utilizes heat and welding rod to affix components to one another.
Our fabricators are trained in RV water tank repair and threaded fitting replacement. Whether you have a tank with a bad fitting or a hairline crack, our team can repair it.
Threaded RV water tank fittings can be replaced by either spin welding or rod polywelding a new fitting. We stock heavy duty replacement threaded fittings that are 3x as strong as the factory originals.
For fast, affordable RV tank repair in Sacramento, we are the go to shop.













We stock 4 sizes of standard water tank spin weld fittings

LDPE Spin Weld Fitting for HDPE water or chemical tank. LDPE fitting can be spin welded or rod welded. Price does not include tax or shipping.

LDPE Spin Weld Fitting for HDPE water or chemical tank. LDPE fitting can be spin welded or rod welded. Price does not include tax or shipping.

LDPE Spin Weld Fitting for RV fresh water and grey water tanks. Can be spin welded or rod welded. 1/2" NPT threads for standard RV water lines.
Price does not include tax or shipping.

LDPE Spin Weld Fitting for RV fresh water and grey water tanks. Can be spin welded or rod welded. 3/8" NPT threads for standard RV water lines.
Price does not include tax or shipping.
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