✅ This item is normally regularly stocked. Shipping times may vary depending on availability. Please contact us to confirm stock and shipping times. You will receive tracking details once the item has shipped.
Description
Restore Tank Performance with Genuine WellMate Air Cell Replacement Kits
The WellMate Air Cell Replacement Kits are designed to restore proper function in WellMate captive air pressure tanks, eliminating issues caused by failed or waterlogged bladders. These genuine replacement kits include all essential components needed to replace the internal air cell and bring your system back to optimal performance.
Ideal for grey WellMate composite tanks (newer models), these kits help resolve common issues such as rapid pump cycling, pressure loss, and inconsistent water delivery. Each kit includes a polymer air cell, O-rings, washers, and installation instructions for a complete and efficient repair.
| Replacement Bladder SKU # | Compatible with Tank Model #'s |
| CH3134-2 | WM-9 / WM0120 |
| CH3135-2 | WM-12 / WM0150 |
| CH4846 | WM-20WB / WM0235 |
| CH15304 | WM-23 / WM0300 |
| CH4467 | WM-25WB /WM330 |
| CH4468 | WM-35WB / WM0450 |
Key Features
- Genuine WellMate replacement air cell kits
- Designed for captive air (bladder-style) pressure tanks
- Compatible with grey WellMate tanks (newer models)
- Includes air cell, O-rings, washers, and instructions
- Restores proper pressure regulation and system efficiency
- Eliminates waterlogged tank issues and short cycling
- Suitable for both Quick Connect and older classic tank designs
Why Replace the Air Cell?
A failed air cell can cause:
- Rapid pump cycling
- Inconsistent water pressure
- Reduced system efficiency
- Increased wear on your well pump
Replacing the air cell restores proper air separation inside the tank, improving performance and extending equipment life.
Installation Notes
- Designed for grey WellMate tanks only (not compatible with yellow models)
- Set tank pre-charge to 2 PSI below pressure switch cut-in pressure
- Follow included instructions for proper installation
Frequently Asked Questions (FAQs)
What does this kit include?
Each kit includes:
- Replacement air cell (bladder)
- O-rings
- Washers
- Installation instructions
How do I know if my air cell needs replacing?
Common signs include:
- Pump turning on and off frequently (short cycling)
- Loss of consistent water pressure
- Tank becoming waterlogged
Are these compatible with all WellMate tanks?
No. These kits are designed for newer grey WellMate tanks and are not compatible with older yellow models.
What is the correct pre-charge setting?
Set the air pressure to 2 PSI below your pressure switch cut-in setting.
Can I install this myself?
Yes, if you are familiar with pressure tank systems. Otherwise, professional installation is recommended.
What is the purpose of the air cell?
The air cell separates air and water inside the tank, allowing for consistent pressure and efficient pump operation.
Will this fix pump short cycling?
Yes. Replacing a failed air cell typically resolves short cycling caused by a waterlogged tank.
Are all parts needed included?
Yes. The kit includes all required internal components for replacement.
✅ This item is normally regularly stocked. Shipping times may vary depending on availability. Please contact us to confirm stock and shipping times. You will receive tracking details once the item has shipped.
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