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
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
Tank Only
This option includes the WellMate composite pressure tank only. The pressure switch, gauge, tank tee, and plumbing fittings needed to connect the tank to your well system are not included.
Tank with Installation Kit
The WellMate Quick Connect Tank Installation Kit includes everything needed to connect the tank directly to your well system. No extra couplings, unions, or fittings required. The kit uses a genuine 1" x 4.14" WellMate no-lead brass tank tee that connects directly to the tank port.
Each kit includes:
- 1" x 4.14" WellMate No-Lead Brass Tank Tee
- Adjustable Pressure Switch (factory set 30/50 PSI, field adjustable to 20/40 or 40/60 PSI)
- 75 PSI No-Lead Brass Pressure Relief Valve
- 2" Dry Pressure Gauge (0 to 100 PSI)
- 1/2" MPT No-Lead Boiler Drain
- 1/4" x 3" Brass Nipple
All brass components are NSF/ANSI 372 certified for potable water applications.
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
Pair your WellMate pressure tank with the WellMate Quick Connect Tank Installation Kit for a complete connection. The kit includes the tank tee, pressure switch, gauge, relief valve, and drain valve in NSF/ANSI 372 certified no-lead brass. For long-term maintenance, replacement air cell kits are also available.
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
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