- (a) Check valves. Jet pumps shall have a check valve installed on the discharge side of the pressure tank.
- (b) Approved pipe drop. Polyethylene plastic pipe and fittings shall be a minimum of SDR-7 PE-2306, with a pressure rating of one hundred sixty pounds per square inch (160 psi) and approved for use as the drop pipe in jet pump installations.
- (c) Clamps. All clamps used shall be all stainless steel.