Do not solder or braze directly to trap primer or fittings Use PTFE tape sealant on both connections.ĭo not use pipe dope. (see figure 1) Flush trap primerīranch line prior to installing the trap primer.
Vertical loop that rises above the supply line tee. To help prevent sediment buildup, install a If the trap primer is installed too far upstream in the system, the pressureĭrop may not be enough for activation. Install near plumbing fixtures to insure a full pressure drop of 10 PSI or Install at least 5" (127 mm)Ībove the grid of the floor drain or the flood rim of the sink or fixture which the trap Install in the upright, vertical position only. Install to a convenient ½"–1½" nominal water line, nearest the trap or traps to be Must be UPC/IAPMO listed, and ASSE certified to the ASSE 1018 standard.Īctivates with a 10 PSIG pressure drop at 30–150 PSIG Trap primer valve shall have large port openings and a non- corrosive brass finish. Where replenishment of water in floor drain traps is required trap primer valves shall be ½" FIP inlet × ½" MIP outlet, automatic trap primer valves which activate with a 10 PSIG pressure drop between 30–150 PSIG.
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