John Guest - Acetal Collet, Cartridge and O-ring Repair Kit Set
John Guest Repair Kit Technical Details
| Brand | John Guest |
| Material | Acetal (POM) |
| Color | Grey |
| Kit Includes | Collet, Cartridge, O-ring |
| Application | Quick connect fitting repair |
| Compatibility | John Guest push-fit fittings |
| System Type | RO systems, filtration lines |
| Service Life | Replace when leaking or damaged |
How to Rebuild John Guest Fittings
- Disconnect tubing and unscrew the fitting body to expose the internal components.
- Remove the old collet, cartridge, and o-ring from the fitting housing.
- Install the new o-ring onto the cartridge, slide the collet over the cartridge assembly, and insert into the fitting body.
- Reassemble the fitting and reconnect tubing, ensuring the collet grips securely and the connection is leak-free.
Fits John Guest Push-Fit Fittings
This repair kit is designed for John Guest acetal quick connect fittings commonly used in reverse osmosis systems, water filters, ice makers, and beverage equipment. The grey acetal construction matches standard John Guest fitting bodies and is compatible with potable water applications. Verify fitting size and style before ordering to ensure proper fit.
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Product Information
Shipping & Returns
Shipping & Returns

John Guest - Acetal Collet, Cartridge and O-ring Repair Kit Set
John Guest - Acetal Collet, Cartridge and O-ring Repair Kit Set
John Guest Repair Kit Technical Details
| Brand | John Guest |
| Material | Acetal (POM) |
| Color | Grey |
| Kit Includes | Collet, Cartridge, O-ring |
| Application | Quick connect fitting repair |
| Compatibility | John Guest push-fit fittings |
| System Type | RO systems, filtration lines |
| Service Life | Replace when leaking or damaged |
How to Rebuild John Guest Fittings
- Disconnect tubing and unscrew the fitting body to expose the internal components.
- Remove the old collet, cartridge, and o-ring from the fitting housing.
- Install the new o-ring onto the cartridge, slide the collet over the cartridge assembly, and insert into the fitting body.
- Reassemble the fitting and reconnect tubing, ensuring the collet grips securely and the connection is leak-free.
Fits John Guest Push-Fit Fittings
This repair kit is designed for John Guest acetal quick connect fittings commonly used in reverse osmosis systems, water filters, ice makers, and beverage equipment. The grey acetal construction matches standard John Guest fitting bodies and is compatible with potable water applications. Verify fitting size and style before ordering to ensure proper fit.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
John Guest Repair Kit Technical Details
| Brand | John Guest |
| Material | Acetal (POM) |
| Color | Grey |
| Kit Includes | Collet, Cartridge, O-ring |
| Application | Quick connect fitting repair |
| Compatibility | John Guest push-fit fittings |
| System Type | RO systems, filtration lines |
| Service Life | Replace when leaking or damaged |
How to Rebuild John Guest Fittings
- Disconnect tubing and unscrew the fitting body to expose the internal components.
- Remove the old collet, cartridge, and o-ring from the fitting housing.
- Install the new o-ring onto the cartridge, slide the collet over the cartridge assembly, and insert into the fitting body.
- Reassemble the fitting and reconnect tubing, ensuring the collet grips securely and the connection is leak-free.
Fits John Guest Push-Fit Fittings
This repair kit is designed for John Guest acetal quick connect fittings commonly used in reverse osmosis systems, water filters, ice makers, and beverage equipment. The grey acetal construction matches standard John Guest fitting bodies and is compatible with potable water applications. Verify fitting size and style before ordering to ensure proper fit.