Originally Posted by Wet_Boots
ABS pressure fittings were a nightmare, as used in sprinkler-zone plumbing. How old are these systems? I would want to think you are looking at a dark grey PVC material, as was used in manifold fittings (both tees and crosses) made by Bosquet, and sold by Rainbird.
They were definatly black. They were in systems that were in the 25-35 year range
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