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Home / Pumps By Use / Booster Pumps / Shallow Well Jet Pump Systems (Pre-selected components) / Hydro-pneumatic Jet Systems Components with Stainless Steel Pedrollo Pumps / Hydro-pneumatic Jet System 3 to 4 Bathrooms, 1 HP, 30-50 PSI, 115/230 Volts
/ WellMate Fiberglass 47 Gallon Bladder Tank WM14WB (A)

WellMate Fiberglass 47 Gallon Bladder Tank WM14WB

Item#: SFI-TNK-WM14WB
Product Available Availability:Usually ships the next business day
WellMate Fiberglass 47 Gallon Bladder Tank WM14WB (A)
Sale: $1,029.85
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UPS Residential Ground Only. 2nd Day Shipments Are Not Available

Specifications:

Description: WellMate Fiberglass Pre-charged 47 Gallon Bladder Tank WM14WB. Equivalent in drawdown to a 140 gallon galvanized atmospheric tank. Volume: 47 Gallons. Inner liner: Blow-molded polyethylene. Outer shell: Filament wound with fiberglass roving and epoxy resin. Bladder: Heavy-gauge polyurethane (Separates air and water). Bottom connection assemnbly: High-impact PVC Air connection: Standard tire valve. Precharge: 24 PSI as per DOT CFR Title 49. Pressure must be adjusted accordingly upon final product installation Recommended Precharge:4 PSI lower than pump cut-in pressure Maximum operating pressure:100 PSI Maximum temperature: 120 degrees Fahrenheit Connection: 1-1/4" MNPT (Male pipe thread) Carton dimension: 41" H X 21.5" W X 21.5" L Weight: 42 lbs. All materials are NSF and FDA listed Warranty Period: Factory 5 years warranty period for potable water residential installations and 2 years for non-residential installations.


• Pressure Tanks Technical
Wellmate Pressure Tank WM14WB
Drawdown In Gallons At Various Pressure Ranges
Tank Drawdown In Gallons Pressure Range (PSI)
13.60 20/40
14.10 30/50
12.22 40/60
10.81 50/70
9.87 60/80
705 80/100

Tank drawdown is he amount of water that can be removed from a tank, when it is full, before the tank pressure drops and the pump is turned on to refill the tank. A larger tank gives more drawdown which means that more water is available before the pump is needed.

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Questions & Answers

Drawdown refers to the amount of water that evacuates the tank before the pressure switch will activate the pump. Drawdown is a affected by the pump, the size of the tank and the pressure settings that govern your water system.
All WM WellMate tanks carry a five year limited factory warranty for potable water residential installations and 2 years for non-residential installations.
No, unfortunately there are number of factors that can contribute to a failed tank and the only factor that WellMate can insure is the tank.
The pressure switch communicates with the tank and the pump. The pressure switch monitors the pressure inside the tank and activates and de-activates the pump when cut-in and cut-out pressures are reached inside the tank.
Your tanks should be pressurized to 4 PSIG less than the cut-in pressure setting (for example, if your pressure settings are 30/50, then you cut-in pressure setting is 30 PSIG and your tank should have a 26 PSIG pre-charge).
To check the pressure in the air cell, the power supply to the well pump must be turned off and the water must be drained from the pressure tank.. With the pump turned off and the water drained from the pressure tank a standard tire gauge can be used on the valve stem at the top of the tank. The pressure in the air cell should be 4 psi lower than the pump cut-in pressure.

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