SKU
DRXMIFM-500

MIFAB M-500-NPB Pressure Drop Activated Trap Seal Primer

The MIFAB® MR-500 Series pressure drop activated brass trap seal primer, with inlet opening of 1/2″ male N.P.T. and outlet opening of female 1/2″ N.PT. Complete with four view holes and removable filter screen. Requires no adjustments and no...
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 • Due to market pricing restrictions, the price shown is not valid in Washington, Oregon, Alaska or Hawaii.  If you are in one of these areas, please call us at (800)334-9815 for a territory-specific quote. • All in-stock MIFAB items have a 24 hour processing time and are not included in our same-day shipping policy.  Back-ordered items will ship upon availability. Once determined, the estimated ship date will be provided to you.

The MIFAB® MR-500 Series pressure drop activated brass trap seal primer, with inlet opening of 1/2″ male N.P.T. and outlet opening of female 1/2″ N.PT. Complete with four view holes and removable filter screen. Requires no adjustments and no air pre-charge. MIFAB’s Series of pressure activated trap seal primers (MR-500, M1-500 and M2-500) can be connected to any cold water line and will be automatically activated when a valve or faucet, that is on the line, is opened.