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Premium 1/2" Flush Threaded RV Tank Fitting - Built to Last
This professional-grade 1/2" flush threaded fitting is the perfect solution for RV fresh water, gray water, and black water tank installations. Manufactured by CPI (Elkhart Plastics), this OEM-quality fitting features a built-in thread stop for secure, leak-free connections every time.
Why Choose This RV Tank Fitting?
- Thread Stop Design: Built-in thread stop ensures proper installation depth and prevents over-tightening that can crack tanks
- Flush Mount Profile: Low-profile design sits flush against tank surface for clean, professional appearance
- OEM Grade Quality: Same fitting used by major RV manufacturers - proven reliability you can trust
- Easy Installation: Requires standard 1 1/8" hole size - simple DIY installation with basic tools
- Durable Construction: High-quality plastic material resists corrosion, chemicals, and UV damage
Technical Specifications
- Thread Size: 1/2" NPT (National Pipe Thread)
- Hole Size Required: 1 1/8"
- Design: Flush mount with thread stop
- Part Numbers: 83A, 500232
- Manufacturer: CPI (Elkhart Plastics)
- Weight: 1 lb
- Barcode: 45688891
Perfect For These Applications
- RV fresh water tank fittings and connections
- Gray water tank drain installations
- Black water tank plumbing repairs
- Camper and motorhome tank replacements
- Travel trailer water system upgrades
- Fifth wheel tank maintenance
Common Questions About This Fitting
What size hole do I need to drill? This fitting requires a 1 1/8" hole for proper installation.
Does this fitting have a thread stop? Yes! The built-in thread stop prevents over-tightening and ensures consistent installation depth.
Will this work on my RV's water tank? This fitting is compatible with most RV fresh water, gray water, and black water tanks that use standard 1/2" NPT threaded connections.
Is this an OEM replacement part? Absolutely. This is the same OEM-grade fitting used by major RV manufacturers including those using CPI/Elkhart Plastics components.
Why Buy From ElkhartRVParts.com?
As the only authorized dealer for CPI and Elkhart Plastics RV parts, we guarantee 100% authentic OEM-grade components. Every fitting is verified genuine before shipping. We ship fast, provide expert support, and stand behind every part we sell.
Need help identifying the right fitting? Our AI Live Chat has deep product knowledge and can help you find exactly what you need for your RV tank repair or upgrade.
Ready to fix your RV tank system? Order now for fast shipping and get your RV back on the road!
Browse more RV Tank Fittings for complete tank system solutions.
| Hole size (inches) | 1.125 |
|---|---|
| Thread size (inches) | 0.5 |
- What size hole is required for the 1/2" flush threaded fitting? The fitting requires a 1 1/8" hole size.
- Does the 1/2" flush threaded fitting have a thread stop? Yes, this fitting includes a thread stop.
- What is the part number for the 1/2" flush threaded fitting? The part number is 83A.
- Who is the vendor for this 1/2" flush threaded fitting? The vendor for this fitting is CPI.
- Is this fitting suitable for tank applications? Yes, this product is classified under tank fittings.
Factory-Fresh OEM Parts — the same brands installed in new RVs straight from Elkhart. Genuine, name-brand components made to order — never generic, never outdated. Sourced directly from the original RV manufacturers for perfect fit and factory-level quality.




