Description
Product Overview
The 31705 RV Toilet Water Valve by prime&swift is engineered for Thetford Aqua‑Magic V high and low models as well as a wide range of compatible Thetford units. Constructed from high‑impact polypropylene (PP), the valve delivers exceptional freeze resistance and leak‑proof performance. The smooth exterior finish and flange connections simplify installation, while the included replacement gasket and fastening screws provide a complete repair solution in one package.
Usage
Designed for mobile living, this valve excels in RVs, camper vans, and motorhomes where water systems face temperature fluctuations and vibration. Whether you are on a cross‑country adventure or a weekend getaway, the 31705 ensures your toilet flushes reliably without leaks or freezing. Ideal for full‑time RV owners, seasonal travelers, and service technicians who need a dependable, easy‑to‑install replacement.

Why Choose Us
prime&swift combines rigorous material testing with practical design to deliver a valve that outlasts standard OEM parts. The PP body resists impact and cracking, while the precision‑engineered threads prevent water seepage. Each kit undergoes quality inspection and includes all necessary components, eliminating the need for additional purchases. Our commitment to durability translates into fewer service calls and longer intervals between maintenance.
Key Features
- High‑impact PP construction for freeze and impact resistance
- Flange inlet and outlet connections for secure, leak‑free fit
- Complete kit: valve, gasket, screws – no extra parts required
- Compatible with Thetford models 31688, 31653, 31680 and more
- Easy DIY installation with step‑by‑step instructions
FAQ
Is this valve compatible with all Thetford toilet models?
The 31705 valve fits Thetford Aqua‑Magic V high and low models and is also compatible with a broad list of Thetford part numbers such as 31688, 31653, 31680, and many others listed in the product details.
Will the valve work in sub‑zero temperatures?
Yes. The polypropylene (PP) material is specifically chosen for its freeze‑resistant properties, allowing safe operation in temperatures well below freezing.
Do I need any special tools to install the valve?
Installation requires basic hand tools – a screwdriver and a wrench. All mounting hardware is included in the kit, and the flange design simplifies alignment.
How does the leak‑resistant design work?
The valve features precision‑molded threads and a tight‑seal gasket that prevent water from escaping at the connection points, eliminating common leak issues found in older valves.
Can I replace the valve myself without professional help?
Absolutely. The kit is designed for DIY installation. Follow the included instructions: turn off the water supply, disconnect the old valve, install the new 31705, replace the gasket, and secure with the provided screws.




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