Seal It Up: The Spinweld Fitting That Keeps Your RV Running Smooth
This 1-1/2" flush spinweld fitting features a durable female pipe thread and comes with a sealing membrane for leak prevention. Designed for a 2-1/4" hole, it’s perfect for fresh water and holding tanks in your RV. Built by Custom Plastics for reliable, long-lasting performance.---
1-1/2" FPT Flush Spinweld Fitting with Membrane (2 1/4" Hole Size)
Custom Plastics Part # 57M (500496)
Spin Weld Fitting for RV Fresh Water and Holding Tanks
| Material | Plastic |
|---|---|
| Thread type | FPT |
| Hole size (inches) | 2.25 |
| Fitting size (inches) | 1-1/2 |
- What size hole is required for the 1-1/2" flush spinweld fitting with membrane? The fitting requires a 2 1/4" hole size.
- Is this spinweld fitting suitable for use with rv fresh water tanks? Yes, this Spinweld fitting is designed for RV fresh water and holding tanks.
- What type of fitting is the 1-1/2" flush spinweld fitting with membrane? It is a 1-1/2" FPT Flush Spinweld Fitting with Membrane.
- Who is the vendor for this spinweld fitting? The vendor for this product is CPI.
- What is the part number for this 1-1/2" flush spinweld fitting with membrane? The part number is 57M, and the SKU is 57M/500496.
Need Fittings Installed on This Tank?
Use our free Custom RV Tank Builder — visually place fittings, get an instant price, and order with professional installation included.
100% Authentic OEM Parts
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 Genuine, name-brand components made to order — never generic, never outdated.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.