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CPI 1-1/2" Flex Rubber Grommet Tank Fitting - Part 91
This professional-grade 1-1/2" slip flex rubber grommet fitting is specifically engineered for RV fresh water tanks and holding tanks. Manufactured by CPI, a trusted leader in RV tank components, this grommet fitting (Part # 91 / 500123) provides a secure, leak-resistant connection for 2-1/4" hole installations.
Why Choose This CPI RV Tank Grommet Fitting?
- Authentic CPI Quality: 100% genuine CPI part, not a generic substitute - ensures proper fit and long-lasting performance
- Flexible Rubber Construction: Premium rubber material flexes to accommodate tank movement and vibration during travel
- Leak-Resistant Design: Creates a watertight seal to prevent costly leaks in your RV's water system
- Easy Installation: Slip-fit design makes installation straightforward for DIY RV owners and professional technicians
- Versatile Application: Works with both fresh water and holding tanks for maximum utility
Technical Specifications
- Fitting Size: 1-1/2" slip connection
- Required Hole Size: 2-1/4" diameter
- Material: Flexible rubber compound
- Part Numbers: 91, 500123
- Manufacturer: CPI
- Application: RV fresh water tanks, RV holding tanks
- Country of Origin: Canada
Common Applications & Compatibility
This grommet fitting is ideal for:
- RV fresh water tank installations and repairs
- RV black water holding tank connections
- RV grey water holding tank fittings
- Camper and motorhome water system upgrades
- Travel trailer tank replacements
- Fifth wheel plumbing repairs
Installation & Use
The 1-1/2" flex rubber grommet fitting installs into a 2-1/4" hole drilled in your RV tank. The flexible rubber design compresses to create a secure, leak-proof seal while allowing for slight tank flexing during travel. Perfect for connecting drain lines, fill lines, or vent lines to your RV's water or waste tanks.
⚠️ Professional Installation Recommended
While this is a DIY-friendly part, proper installation is critical for preventing leaks. If you're unsure about installation, consult with an RV technician.
Why Buy From Elkhart RV Parts?
- ✓ Authorized CPI dealer - guaranteed authentic parts
- ✓ Fast shipping from our Indiana warehouse
- ✓ Expert RV parts knowledge and support
- ✓ Competitive pricing on genuine OEM components
- ✓ Same-day shipping on in-stock orders
Need help identifying the right fitting? Use our AI Live Chat for instant product assistance and compatibility verification.
Order your authentic CPI 1-1/2" RV tank grommet fitting today and ensure a leak-free water system in your RV!
| Material | Flex Rubber |
|---|---|
| Diameter (inches) | 1.5 |
| Hole size diameter (inches) | 2.25 |
- What is the size of the hole required for this grommet fitting? The grommet fitting requires a 2-1/4 inch hole size.
- Is this rubber grommet suitable for use in rv tanks? Yes, it is designed for use on RV fresh water and holding tanks.
- What size is the slip flex rubber grommet fitting? The fitting size is 1-1/2 inches.
- Who is the vendor or manufacturer of this tank fitting? The vendor for this tank fitting is CPI.
- What is the product part number or sku for this grommet fitting? The part number is 91 and the SKU is 91/500123.
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