MIFAB MI-DU Trap Seal Primer Distribution Unit for Two, Three or Four Floor Drain Traps.
Used underneath a pressure drop activated trap seal primer to distribute water to either two, three or four floor drain traps.The lid of the distribution unit is marked with the numbers 2, 3, & 4. Remove the three lid securing screws to rotate the lid to match the desired number of drains with the guide marker pin to provide priming only to the required ports. The underside of the MI-DU is marked accordingly with numbers 1-4 to for ease in determining which ports will receive the prime. The four wall internal body design ensures that water is only directed to the selected outlets. Note: The MI-DU is factory preset to deliver priming water to ports 1 and 2. Do not over torque the three lid screws when securing the lid back onto the body. It is not necessary to install MIFAB’s distribution unit perfectly level. The unique design will distribute water uniformly when out of level. Select MI-DU-500 when installing with soft copper tube (1/2” O.D.) and MI-DU-625 when installing with hard copper tube (5/8” O.D.).
MIFAB® Series MI-DU trap seal primer distribution unit with four brass compression outlet connections (specify -500 for ½” or -625 for 5/8”) ABS body and H.D.P.E. lid with top ½” M.I.P. connection, and three 1/8” diameter Phillips head screws to secure the lid to the body. Unit complete with four wall internal body design that aligns with the slots in the underside of the lid to distribute water evenly and to only the desired number of ports Tested, certified and listed to I.A.P.M.O. I.G.C. Standard 178-2002 (R2014).
- MIFAB MI-DU: Specification Submittal
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