THETFORD Water Inlet Fill Dish Check Valve 028985942214

( Brand: Thetford ), ( Part Type: Valve Check ), ( Manufacturer Part Number: 94221 ), ( UPC: 028985942214 )

Review THETFORD City Water Inlet Fill Dish Plastic Check Valve Black Pn

The Thetford 94221 Water Inlet Fill Dish Check Valve is an essential component for RV water systems, designed to prevent backflow and ensure the efficient filling of your RV's freshwater tank. This check valve is manufactured by Thetford, a leading brand known for its high-quality RV accessories.

The valve is constructed from durable, corrosion-resistant materials, including a brass body and a Viton seal. The Viton seal provides excellent sealing capabilities against water, chemicals, and extreme temperatures, ensuring a long service life. The brass body offers superior resistance to corrosion, making it ideal for use in harsh RV environments.

The Thetford 94221 Water Inlet Fill Dish Check Valve is designed with a self-cleaning, non-return valve that prevents water from flowing back into the water supply line when the water pump is off. This feature helps maintain the cleanliness of your water system and prevents contamination. The valve also includes a fill dish, which allows you to easily see the water level in your tank and makes filling your RV's freshwater tank a simple task.

Installation of the Thetford 94221 Water Inlet Fill Dish Check Valve is straightforward and can be completed with basic plumbing tools. The valve is compatible with most standard RV water inlet connections and can be used with both city water and portable water sources.

The Thetford 94221 Water Inlet Fill Dish Check Valve is an essential accessory for any RV owner. Its durable construction, self-cleaning valve, and easy-to-read fill dish make it an indispensable addition to your RV's water system. With its ability to prevent backflow and ensure efficient filling, this check valve helps maintain the cleanliness and functionality of your RV's water system, providing you with peace of mind and convenience on the road.

The Thetford 94221 Water Inlet Fill Disc Check Valve is a crucial component for RV water systems, preventing backflow and ensuring proper water pressure. Here are some pros and cons that may help you decide if this valve is the right choice for your RV.

1. Effective at Preventing Backflow: The check valve feature of this product prevents water from flowing back into the fresh water tank when you disconnect the hose, ensuring that contaminated water does not enter your fresh water supply.

2. Easy Installation: This valve is relatively easy to install, typically requiring only a few tools and minimal plumbing knowledge.

3. Durable Construction: Made from high-quality materials, this valve is built to withstand the rigors of RV travel and frequent use.

4. Leak-Free Design: This valve is designed to be leak-free, helping to prevent water damage and potential health hazards.

1. Potential for Water Hammer: Some users have reported experiencing water hammer, which occurs when water rapidly stops and reverses direction, causing a loud bang or vibration. This can be mitigated by installing an air gap or installing the valve higher up on the RV.

2. Higher Price Point: Compared to some other check valves on the market, this valve may be pricier. However, its high-quality construction and effective design may justify the additional cost.

In conclusion, the Thetford 94221 Water Inlet Fill Disc Check Valve is a reliable and effective solution for preventing backflow in RV water systems. Its ease of installation, durability, and leak-free design make it a worthwhile investment for RV owners. Despite the potential for water hammer, this issue can be addressed through proper installation techniques, and the valve's overall benefits outweigh the cons. If you're in the market for a high-quality check valve for your RV, this product is definitely worth considering.

Details:

Dimensions: Cut Out Dim: 3-1/2 DOA. Dish Depth: 3/4, Valve Outside Dim: 4-3/4 DOA. Product is also Impact Road Salt Resistant City Water Dish w/Plastic CV.

Product is IAPMO, NSF, CSA TEI Certified.

part #: 94221 prices

• $22.98-$26.88

specifications rvroutine:

• brand: Thetford
• part type: Valve Check
• manufacturer part number: 94221
• upc: 028985942214

offer rvroutine:

• options: Ship-to-home
• sold: 0
• started: January 25, 2026
• availability: In Stock

seller rvroutine:

• # reviews: 24612
• rating: 99.1%
• city: Anthony, Texas

shipping rvroutine:

• class: Standard, Expedited
• transit: 4-9 Days
• cost: $0.00
• carrier: USPS
• service: USPS First Class, USPS Priority Mail
• type: Fixed

returns rvroutine:

• time: 30 Days
• paid by: Seller
• policy: Returns Accepted

payments rvroutine:

• wallet: Paypal
• other
• credit card: Diners-club

general rvroutine:

• Parts Accessories > RV, Trailer Camper Parts Accessories > Other RV, Trailer Camper Parts Accessories
• condition: New

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