This listing is for a Pack of 2 Screws directly into unused female ports on manifolds, boiler casings, radiators, pumps, and pipe fittings to create a flush, pressure-tight end point that stops leaks and blocks debris. Brass fittings are relatively easy to install, requiring simple tools such as wrenches or pipe wrenches for tightening, reducing installation time and labor costs. Unlike female caps or extended stop ends, a plug sits mostly inside the female socket, leaving only the hex head or square drive exposed—making it ideal for tight spaces and recessed manifold blocks. WRAS Approved
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