No-Thread, No Hassle: Spin Weld Fitting for Perfect RV Tank Connections
This 1-3/8" OD x 1-1/8" ID non-threaded spin weld fitting is designed for easy, secure installation in RV fresh water and holding tanks. Its durable plastic construction ensures a reliable seal, making it a great choice for custom tank projects or repairs.---
Custom Plastics Part # 62 (500152)
1-3/8" OD x 1-1/8 ID Non-Thread Fitting
Spin Weld Fitting for RV Fresh Water and Holding Tanks
| Material | Plastic |
|---|---|
| Inner diameter (inches) | 1.125 |
| Outer diameter (inches) | 1.375 |
- What are the dimensions of the 1-3/8" od x 1-1/8 id non-thread fitting? The fitting has an outer diameter (OD) of 1-3/8 inches and an inner diameter (ID) of 1-1/8 inches.
- Is the fitting threaded or non-threaded? This is a non-threaded fitting.
- What type of tanks is this fitting compatible with? It is designed for use with RV fresh water and holding tanks.
- How is this fitting installed? This fitting is a spin weld fitting, which means it is installed using a spin welding process.
- Who is the manufacturer or vendor of this fitting? The fitting is supplied by CPI and is listed under Custom Plastics Part # 62.
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 Genuine, name-brand components made to order — never generic, never outdated.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.




