✅ 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
Compact 20 Gallon Well Pressure Tank for Residential Water Systems and Pressure Boosting
Product Overview
If your system experiences pressure fluctuations or frequent pump cycling, the Pentair WellMate WM-6 provides a reliable, low-maintenance solution for consistent water pressure. This composite pressure tank features a corrosion-resistant tank body designed for residential well systems and light-duty pressure boosting. Its compact size makes it well-suited for tighter installation spaces while helping maintain stable system performance.
Quick Specs:
- Capacity: 19.6 Gallons (20 gal nominal)
- Maximum Pressure: 125 PSI
- Connection Size: 1" Male NPT
- Pre-Charge: Factory preset to 30/50 PSI
- Origin: Assembled in the USA
⚠️ Important Compatibility Note
Optional installation kits include a pressure switch that typically ships factory pre-set to 30/50 PSI. The switch is fully adjustable and can be set to other common residential pressure settings, such as 20/40 PSI or 40/60 PSI.
Key Features of Pentair WellMate WM-6 Composite Pressure Tank
- The composite tank shell resists rust and corrosion far better than traditional steel tanks in corrosive environments or coastal regions.
- A lightweight profile of just 20.85 lbs allows for easier handling and installation compared to heavier steel tanks.
- The fiberglass-wound composite construction helps resist dents and eliminates welded seam failure points found in some steel tanks.
- The WM-6 provides up to 6.1 gallons of drawdown under typical pressure settings.
- The unit features a replaceable air cell for straightforward, long-term maintenance.
- A rugged, impact-proof base is included for secure placement on flat surfaces.
Tank Installation Kit Options (Adjustable Pressure Switch Included)
Tank Only
This option includes the fiberglass water pressure tank only, and installation components like the pressure switch, gauge, and fittings are not included.
Tank with Stainless Steel Install Kit
We offer this pressure tank with a complete 304 stainless steel installation kit to simplify your setup. The kit provides all the essential components for a fast, leak-free system connection.
Each tank install kit includes:
- Stainless steel tank tee
- Pressure switch
- Pressure gauge
- Relief valve
- Boiler drain valve
- Thread tape
Important Compatibility Note:
The pressure switch included with the installation kit typically ships factory pre-set to 30/50 PSI and can be adjusted to match common residential well system pressure ranges. Supported residential pressure ranges include:
- 20/40 PSI
- 30/50 PSI
- 40/60 PSI
This adjustability makes the installation kit compatible with many common residential well pump pressure settings.
WellMate WM-6 Specifications
| Category | Details |
|---|---|
| Model | WM-6 (WM0075 QC) |
| Capacity | 19.6 Gallons (75 L) |
| Nominal Size | 20 Gallon Well Pressure Tank |
| Maximum Pressure | 125 PSI |
| Drawdown | 6.1 Gallons (23.1 L) |
| Connection Type | Threaded (MPT) |
| Operating Temp | Up to 100°F (38°C) |
| Material | Fiberglass composite (corrosion-resistant) |
| Air Cell | Replaceable |
| Base Type | Impact-proof, molded composite |
| Weight | 20.85 lbs (9.5 kg) |
| Installation | Vertical, above ground |
| Origin | Assembled in the USA |
| Warranty | 5 years (one year replacement labor allowance) |
Dimensions
- (A) Height: 32"
- (B) Diameter: 16"
- (C) Connection: 1" Male NPT
Ideal System Applications
- Residential well water systems
- Coastal homes with corrosive air or water
- Light-duty water pressure boosting applications
- Cottages and small buildings
- Tight mechanical rooms and small pump areas
- General water pressure boosting
Common Pressure System Problems
If You're Experiencing:
- Pump turning on and off too frequently
- Low or inconsistent water pressure
- Pressure drops while using multiple fixtures
- Premature pump failure or overheating
- Rust and corrosion on your current steel tank
This 20-gallon WellMate pressure tank helps stabilize system pressure, reduce pump cycling, and helps extend the lifespan of your well pump and water system.
Key Benefits of this Composite Pressure Tank
- Composite construction helps eliminate tank-body rust issues common with steel tanks.
- Its lighter weight can make handling and installation easier than heavier steel tanks.
- Optimized drawdown compared to traditional steel tanks
- Reducing pump cycling may help lower energy use and reduce pump wear.
- Replaceable air cell extends the total usable life of the unit.
Installation & Maintenance
Installation Details:
- Requires a 1" male NPT connection
- Factory pre-charged tank; pre-charge should be adjusted to match the system pressure switch
- Compatible with standard residential pressure switch settings
- Compatible with typical booster pumps and tank tee kits
Maintenance Guidelines:
- Check air pressure annually
- Maintain pre-charge 2 PSI below the cut-in setting
- Monitor for signs of waterlogging or pressure loss
Accessories & Add-Ons
For a seamless setup, pair your 19.6-gallon water tank with our complete stainless steel installation kit. Compatible accessories include adjustable pressure switches, durable brass tank tees, reliable pressure gauges, and replacement air cells to maximize your system's lifespan.
Get the WellMate WM-6 Pressure Tank from Cleanflow
When you need to buy WellMate WM-6 composite pressure tank models, trust Cleanflow as your reliable supplier. We provide fast shipping across Canada and the USA. Whether you need a fresh install or a replacement, you can easily find your ideal pressure tank or browse our WellMate collection today.
Frequently Asked Questions
Is the pressure switch adjustable, or is it locked at 30/50 PSI?
The optional pressure switch ships factory pre-set to 30/50 PSI but is fully adjustable to accommodate your system requirements.
Does the tank come pre-charged?
Yes, this tank comes factory pre-charged, but the pre-charge should be adjusted before installation.
How should the tank pre-charge be set?
Set the air pre-charge to 2 PSI below your pressure switch’s cut-in setting.
What is the difference between total volume and drawdown?
Total volume is the tank size, while drawdown is the usable water between pump cycles.
Will this tank rust over time?
No, the composite construction is corrosion-proof and will not rust like steel tanks.
Can one person install this tank?
Yes, its lightweight design makes installation easier than traditional steel tanks.
What is the warranty on this model?
The WM-6 includes a 5-year warranty with a one-year replacement labor allowance.
Manuals & Documentation
✅ 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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