A saddle tee assembly for connecting a lateral pipe to a main pipe. The saddle tee assembly includes a saddle tee boot, a collar means and clamping device. The saddle tee boot has a flexible saddle and cylindrical hollow tee section. The saddle attaches to a main pipe; the hollow tee section receives the lateral pipe in a first hollow section. A section hollow section with an internally tapered surface seals against the end of the lateral pipe. A flexible collar overlies the saddle about the periphery of the hollow tee. A clamping device circumscribes the main pipe to apply tension along the circumference of the main pipe to the collar thereby to force the collar into the saddle and the saddle against the main pipe. A water-activated mastic for improved sealing characteristics may be interposed between the saddle and the main pipe.
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