End Cap with Vent and Drain comes with male 1 1/4" BSP thread to fit directly into the TruFLOW Manifold body. End Cap comes standard with a manual purge vent on top and a garden hose thread connection on the drain. Use Wirsbo Silicone Oil on the male threads to ease installation. Wirsbo Silicone Oil must be purchased separately.
Note: Use only with the Wirsbo TruFLOW Manifolds.