### 1. Sink

### 1. Sink

by Thetford

Hard Install Plumbing Fixtures Model: C402C

About This Part

Product Name: Dometic VA8005 Square Sink Stainless steel Dimensions: 1511/16" x 13" (400mm x 330mm) Bowl depth: 51/8" (130mm) Weight: 4.2 lbs Removable strainer Description: ### 2. Faucet Product Name: Dura Faucet DFSA100S Brushed Nickel RV Faucet Brushed nickel finish Single lever control for flow and temperature 6.25" high spout, 7" reach Standard 1/2" threads UPC & CUPC certified Description: ### 3. Shower Product Name: Eccotemp EM2.5 Mini Tank Water Heater & Shower 2.5gallon electric tank water heater 12.9" × 11.2" × 10.8" 1440W, 120V Standard 1/2" NPT connections Description: This mini tank water heater is a compact solution for instant hot showers in a campervan. It heats and stores 2.5 gallons for quick access and fits in small shower spaces, providing a residential feel for offgrid or campground camping. ### 4. Toilet Product Name: Dometic 320 Series Gravity Toilet (White, Standard Height) Porcelain bowl with wooden seat Standard residential height (18") 360° rim wash Description: The Dometic 320 Series is a highquality gravity flush RV toilet with a true porcelain bowl for comfort and durability. Its efficient flush and standardheight, residentialstyle seat make it one of the most popular choices for highend van and RV conversions. ### 5. Cassette Toilet Product Name: Thetford C402C Cassette Toilet Electric pushbutton flush Waste tank: 5.1 gal (19.3L), wheels and retractable handle Fresh water tank: 4 gal (15L) LED waste level indicator Dimensions: 26.4" (W) × 15.75" (L) × 18" (H) Weight: 17.8 lbs Description: The Thetford C402C cassette toilet is a premium, benchstyle unit with a large waste cassette accessible from outside the van. Its wheeled design, robust construction, and electric flush make it the gold standard for permanent campervan and RV bathrooms demanding reliability and comfort[2][4].

Where to Buy

Documentation: View Specs & Manual

Installation Information

Installation Difficulty: Hard

Van Compatibility: Designed for permanent install in Sprinter, Transit, ProMaster, and custom builds.

Buying Guide

The Thetford Sink—notably models like the Topline 111, Argent, and modular Kitchen Centre—stands out as an excellent choice for campervan and RV conversions due to its space-efficient design, robust materials, and versatile configuration options[1][2][3].

What Makes This Sink Ideal for Campervan Conversions

  • Space-saving: Most Thetford sink units are designed for compact environments, featuring integrated hobs, lids, and accessories that maximize limited van space[2][3].
  • Durable Construction: High-quality stainless steel and toughened glass components ensure long-term performance and easy cleaning, crucial for van life[2][3].
  • Purpose-built Features: Models like the Topline 111 combine hobs and sinks with options like glass lids, worktop cut-outs, and simple mounting systems engineered for mobile use[1][6][3].

Key Features and Benefits

  • Integrated Design: Many units combine a two-burner hob and sink, minimizing installation complexity and providing a cohesive kitchen solution[1][3][6].
  • Glass Lids: Heat-resistant, fold-down glass lids protect the sink when not in use, providing extra workspace—ideal for food prep in small kitchens[2][3][6].
  • Included Accessories: Certain models (e.g., Kitchen Centre and Argent) come with a chopping board, draining board, and drain rack, boosting functionality without taking up additional room[2][3][4].
  • Safe Ignition and Operation: Some units offer 12V electric ignition and child-safety guards for peace of mind[1][2].
  • Water System Components: Kits often include jerry cans, taps, and pumps (manual or 12V) for easy water setup[1].

What to Look For When Buying

  • Dimensions: Confirm the unit’s size and cut-out requirements fit your van layout (e.g., Topline 111: H195 x W900 x D370 mm)[1][3].
  • Material Quality: Opt for stainless steel bowls and toughened glass lids for longevity and hygiene[2][3][8].
  • Accessories: Prioritize kits that include taps, pipes, and mounting hardware to streamline installation[1][4][5].
  • Burner Output: Check heat output (e.g., Topline 111 offers 2 × 1.5kW burners) for suitable cooking performance[1][6].

Common Mistakes to Avoid

  • Ignoring Worktop Cut-outs: Overlooking cut-out dimensions can lead to improper fit or costly modifications[1][5].
  • Missing Component Kits: Failing to buy a complete kit may leave you hunting for compatible taps, pipes, or mounting parts[1].
  • Underestimating Water Storage Needs: Ensure your jerry cans or tanks match your intended use (weekend versus long-term trips)[1].

Best Use Cases

  • Weekend Warriors: Compact models like the Argent or round bowl sink with simple water connections suit occasional campers prioritizing quick meals and easy washing[2][3][7].
  • Full-time Living: Combination units (e.g., Topline 111, 353 Series) with integrated hobs, greater bowl volume, and more built-in accessories support daily cooking and cleaning[1][2][3].
  • Family or Group Trips: Larger sinks with draining boards or higher capacity bowls can handle higher use[2][7].

Budget Considerations and Value Analysis

  • Entry-level stainless sinks are affordable, often $200–$350, offering essential wash-up facilities for basic conversions[2][8].
  • All-in-one kits with integrated hobs, electrics, and accessories cost $600–$1200 but deliver top value by reducing installation hassle and providing a professional finish[1][3].
  • Value is maximized by choosing a reputable brand like Thetford for reliability and readily available spare parts. Opt for complete kits unless you have existing compatible plumbing and gas systems in place.

Thetford’s well-engineered sinks are highly recommended for both weekend and full-time vans, balancing practicality, durability, and ease of use in one package[1][2][3].

Product Comparison

Here are 3-4 alternative campervan/RV sink products and how they compare to a standard stainless steel drop-in campervan sink like the Ruvati Drop-in Top Mount Bar Prep Sink:

1. Dometic Sink/Stove Combo

  • Price Range: $250–$400 (knockoff models can be ~$150–$200)[5]
  • Pros:
  • Maximizes countertop space by combining cooking and washing functions[1][3].
  • Ideal for very compact kitchens.
  • Often includes glass lids, creating usable counter space when closed[3].
  • Cons:
  • Expensive compared to stand-alone sinks[5].
  • Requires propane hookup for stove function.
  • More complex installation and repair.
  • Choose This When: You have minimal space and need a dual-function setup for an efficient, all-in-one kitchen solution, or are retrofitting a very small van.

2. Workstation Sinks (e.g., Torva Workstation Sink)

  • Price Range: $150–$250[7]
  • Pros:
  • Integrated ledges/attachments (cutting board, colander, racks)[2][3].
  • Efficient use of limited counter space—can prep food and do dishes simultaneously[2].
  • Typically robust stainless steel build.
  • Cons:
  • Larger than the smallest sinks, so less ideal for ultra-compact vans.
  • Accessories can add to the cost.
  • Choose This When: You want to maximize food prep and washing capability in a medium-to-large van kitchen and value modular functionality.

3. Folding or Portable Sink Units (e.g., Boxio Portable Sink)

  • Price Range: $80–$150[3]
  • Pros:
  • Can be moved and stored as needed[3].
  • No permanent plumbing or countertop cutout required.
  • Great for outdoor or weekend-only use.
  • Cons:
  • Feels less like a residential kitchen; smaller bowl capacities.
  • No integrated drain into greywater tank—manual emptying required.
  • Choose This When: You need flexible, temporary water access or are building a minimal/DIY rig with infrequent kitchen use.

4. Standard Top-Mount or Undermount RV Sinks (Plastic, Acrylic, or Stainless Steel)

  • Price Range: $50–$200[4][6]
  • Pros:
  • Affordable and widely available in many sizes[6].
  • Simple installation for most countertops[2].
  • Durable, easy to clean, and lighter if plastic.
  • Cons:
  • Fewer features compared to workstation or combo sinks.
  • Plastic/acrylic less durable than stainless steel.
  • Choose This When: Budget is a primary concern and you want a basic, reliable sink.

Price Range Comparison Table

| Product | Price Range |
|----------------------------------------|----------------|
| Ruvati Drop-in Top Mount Bar Prep Sink | $200–$250[1] |
| Dometic Sink/Stove Combo | $250–$400[5] |
| Workstation Sinks (Torva, etc.) | $150–$250[7] |
| Folding/Portable Sink | $80–$150[3] |
| Standard RV Top-/Undermount Sink | $50–$200[4][6] |

Performance Differences for Van Life

  • Sink/Stove combos are best for ultra-compact layouts and maximize space but add install complexity.
  • Workstation sinks add culinary efficiency and multi-functionality and are suitable for longer or full-time van living.
  • Portable/folding sinks offer flexibility but have limited "home kitchen" feel and efficiency.
  • Standard sinks hit a balance of affordability, reliability, and simplicity, with options to fit most layouts.

Choose based on your van size, kitchen demands, installation capacity, and budget. For full-time or gourmet cooks, high-quality workstation sinks excel; for occasional travelers, portable or basic sinks are generally sufficient.

Installation Tips

Tools Required
- Jigsaw or hole saw (for countertop cut-out)
- Drill and drill bits
- Screwdriver set
- Adjustable wrench or spanner
- Caulk gun
- Wire strippers and crimpers (if adding electric pump)
- Measuring tape and marker
- Silicone sealant
- Safety equipment (gloves, goggles)

Prerequisites
- Ensure you have selected the sink and faucet that fit your countertop and layout.
- Plan the location of fresh and grey water tanks.
- Install or plan for the countertop and cabinetry before installing the sink.
- Turn off electrical supply (if wiring a pump); remove fuses during installation[2].

Step-by-Step Instructions
1. Mark and Cut the Sink Opening
- Trace the sink template or the sink itself onto the countertop.
- Measure inwards as recommended by the manufacturer (commonly ½ inch) for the lip to rest securely[4].
- Drill a starter hole, then use a jigsaw to cut out the opening. Support the cut section to prevent splintering[4].

  1. Prepare the Sink Area
    - Smooth rough edges, then dry-fit the sink to ensure correct sizing.
    - Apply silicone caulk around the cut edge to prevent water ingress[4].

  2. Install the Sink
    - Position the sink in the cutout. Secure with the provided hardware or mounting clips. Compress any gaskets[4].
    - Run a bead of silicone around the rim for waterproofing, then smooth it for a clean finish[3][4].

  3. Mount the Faucet
    - Insert the faucet into the designated hole and fasten as specified by the manufacturer[3].
    - Attach flexible lines (cold only, for most van builds)[1].

  4. Plumbing Connections
    - Thread the water and waste pipes through cabinetry or clearance holes[2].
    - Connect water lines from the pump/fresh tank to the faucet.
    - Connect the sink drain to your grey water tank using appropriate waste piping[1][3].

  5. Install and Wire Water Pump (if electric)
    - Mount the pump securely, run wires, and connect to a fused 12V supply (remove fuse during install)[2].
    - Follow manufacturer wiring instructions for pump and switch, ensuring proper polarity and secure connections[1][2].

  6. Test System
    - Fill the fresh water tank, power on the pump (replace fuse), and check for leaks in all joints and seals[3].
    - Run water through the system to ensure proper flow and drainage.

Common Mistakes
- Not sealing the cut edges, leading to water damage in the countertop[4].
- Failing to test-fit before final installation, resulting in poor alignment[4].
- Overtightening plumbing fittings, which can damage seals.
- Leaving pipes/kinked or not sloped to the waste tank, increasing risk of clogs or backflow[2].

Pro Tips
- Use flexible, food-grade tubing for easy routing and durability.
- Leave a little extra length in cables and hoses for maintenance and adjustments[2].
- For a cleaner caulk bead, cut the nozzle at an angle and smooth with a wet finger[4].
- Install a simple inline water filter for cleaner water at little extra cost.
- Foot pumps are a reliable, electricity-free option for simple builds[4].

Time Estimate
- 3–6 hours for most DIY installations, depending on cabinet complexity and whether you’re adding an electric pump[1][4].

Frequently Asked Questions

Installing a campervan sink is a moderate DIY project requiring basic tools, careful measurement, and some plumbing and electrical work. Key steps include cutting a countertop opening, sealing and mounting the sink, connecting water supply lines and the drain, and optionally wiring a 12V pump if using an electric faucet. Experience with plumbing and safe wiring is helpful; professional assistance is suggested for those unfamiliar, especially with electrical components[1][2][5].

Most aftermarket campervan sinks are designed for universal compatibility and can be installed in Mercedes Sprinter, Ford Transit, Ram ProMaster, and similar vans. Installation requirements are generally the same—what matters most is sizing the sink and cabinet to your van’s layout and cabinetry[4][5]. Precise measurements should be considered to ensure proper fit.

Regular sink maintenance includes checking for leaks, cleaning the basin and drain, ensuring water lines do not develop clogs, and inspecting pump function if applicable. Sinks with modern coatings or stainless steel lasts many years with minimal staining; periodic tightening of fittings and descaling due to hard water can help extend system life[5].

Frequent issues include leaks at joints (fix by tightening or resealing connections), reduced water pressure (check the pump and lines for obstructions), and slow drainage (clear gray water hoses and traps). If using a pump, electrical faults such as blown fuses or loose wiring can also stop water flow; inspect connections if this happens[3][4][8].

Choose a sink that fits your available counter space and matches your typical water usage. Popular options range from compact bar sinks to deep basins (up to 9 inches) suitable for dishes. Fresh water tanks typically range from 5 to 10 gallons for weekend use, with gray water tanks sized about 25–50% smaller to reduce weight and space[2][5][6].

Most sinks paired with electric faucets use a 12V DC water pump that draws 3–7 amps under load. Manual or foot-pump systems require no electrical power. Water lines are typically 1/2-inch food-grade hose or tubing, and drains can use low-profile fittings to save under-cabinet space[4][5][8]. Check the pump and faucet specifications for exact power draw and compatibility.

Warranty and support depend on the sink manufacturer. Many branded campervan sinks and associated hardware (like the Tec Vanlife Black Nanotechnology RV Sink) offer limited warranties on materials and construction, along with installation guides and responsive technical support[5]. Always verify with the product supplier before purchasing.
Quick Actions