Georg Fischer Check Valve, 2 in, Single, Inline Spring, PVC, Socket/Threaded x Socket/Threaded - 161562107 Verge they can also be used

they can also be used to transfer water from one fire pump to another over a distance

The Bobrick B-699 Recessed Toilet Tissue Dispenser is a hooded toilet tissue dispenser designed for installation in counter top aprons and stud walls with rough openings that measure 11-3/4 inches in width by 5-1/4 inches in height by 3-3/8 inches in depth

which does not readily show fingerprints

No need for plumbing changes with this WATTS vacuum breaker that helps prevent backsiphonage of contaminated water into a water supply

Georg Fischer Check Valve, 2 in, Single, Inline Spring, PVC, Socket/Threaded x Socket/Threaded - 161562107 Verge they can also be usedDesigned to ease installation and removal this GEORG FISCHER check valve features vibration free performance even at high flow velocity. Spring loaded model has a flow optimized return cone, double guided.,Sealing at a minimum water column of 0. 5m,Vertical or horizontal mounting eases installation