Top Brand Check Valve, 3/8 in, Single, Inline Piston, Stainless Steel, FNPT x FNPT - CHK SST 615-6F6F-F Plastic Toilet Paper Dispenser The main valve is lever

The main valve is lever operated and is complete with bleed pipe to drain water from the pipework

Speakman SE-912-T Stay Open Ball Valve

the shelf measures 5 inches in depth and 16 inches in length

20 Gauge Stainless Steel 20" x 20" x 10

Top Brand Check Valve, 3/8 in, Single, Inline Piston, Stainless Steel, FNPT x FNPT - CHK SST 615-6F6F-F Plastic Toilet Paper Dispenser The main valve is leverIdeal for installation in tight spaces, this piston spring check valve can provide backflow protection for a variety of applications. Model has an embedded O ring that seals on the seat. Pressure in the direction of flow moves the piston and seal off the seat and exposes the cross holes in the piston. Valve is designed to provide a positive seal at very low back pressure or slight vacuum.