SV300C - 3" Slide Valve With Short Handle & Valve Cap (146 ratings) Fixed to toilet waste tanks or larger grey waste tanks for efficient emptying £39.00 inc. VAT (where applicable) Quantity: at £39.00 each Add To Basket 0 in your basket View Basket Checkout 3" WASTE TANK SLIDE DRAIN VALVES Our range of large slide valves are fixed to toilet waste tanks or larger grey waste tanks for efficient emptying. If unsure what tank fitting flange you need please give us a call The range incorporates a significant array of Adaptors and fittings to cover a wide range of installation situations. Outlet discharge extension hose can easily be connected with straight or curved bayonet hose adaptor. Robust construction from impact resistant black ABS with nitrile and EPDM seals ensures trouble free operation. Long-term maintenance is easily achieved as valves unbolt into their individual components.