Camper van Conversion Sinks

Sinks for campervan conversions provide essential washing and food preparation facilities in DIY van builds, ranging from compact Dometic Smev combination units to standalone stainless steel models. Popular choices include the Dometic Smev 9222 and 9722 combination hob and sink units that maximize space efficiency in tight galley kitchens, alongside standalone sinks from brands like Dometic and Whale. These purpose-built units feature compact dimensions designed specifically for van life, with heat-resistant glass lids that double as extra worktop space when closed. Most come complete with plugs, waste fittings, and cutting templates to simplify installation into custom kitchen worktops.

Installing sinks in campervan conversions requires careful planning for both fresh water supply and waste water drainage systems. Dometic Smev combination units need gas connections for integrated hobs plus 12V electrical supplies for ignition systems, whilst standalone sinks require only water and waste pipe connections. Fresh water typically connects via 15mm or 10mm hose fittings from submersible pumps, with waste outlets draining to grey water tanks or external collection systems. Popular tap choices include folding mixer taps that store neatly under glass lids, microswitch taps for automatic pump activation, and basic cold water taps depending on your van's water system design.

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Frequently Asked Questions


What's the difference between Dometic SMEV 9222 and 9722 sink combinations?
The Dometic SMEV 9222 measures 900mm x 370mm and offers larger cooking space, whilst the 9722 is more compact at 760mm x 325mm for narrower kitchen units. Both include two-burner hobs and sinks with glass lids, but the 9722 has pan diameter limits of 220mm next to the sink and 160mm next to controls. The 9222 provides more generous cooking space but requires wider worktop installation.

Do Dometic SMEV sinks come with cutting templates for installation?
Most Dometic SMEV units include technical drawings in manuals, and many suppliers provide cutting templates printed on packaging boxes. However, some installers recommend measuring the actual unit rather than relying solely on manual dimensions. The cut-out requires precise positioning as it's not central to the unit - there's typically a 32mm overhang at front and 4mm at back for proper fitment.

How do I connect waste water drainage from my van conversion sink?
Van sinks typically use waste traps to prevent odours, connected to grey water tanks or external drainage. You can route waste pipes to internal grey water containers, external portable tanks, or directly through the floor with removable containers underneath. Use 40mm rigid pipe with appropriate connectors and maintain downward slopes to prevent water pooling in pipes.

What tap options work best with camper van conversion sinks?
Folding taps work well with glass lid combinations as they fold flat when not in use. Microswitch taps automatically activate submersible pumps when opened, whilst mixer taps provide hot and cold water if you have a water heater. Most van taps use barbed connections for flexible hose attachment and thread through sink bases with locking nuts and rubber washers.

How much clearance do I need under a van conversion sink?
Allow minimum 35mm depth under sinks for right-angle waste fittings, plus additional space for water pumps, grey water containers, and plumbing connections. SMEV combination units require deeper clearance than standalone sinks due to hob components. Consider access for maintenance and grey water tank removal when planning under-counter storage and component placement.