An U.S.A. Corporation

Dean Bennett Supply



On $1500.00 Net Orders



FSG 2 Pressure Switch
20/40 Pressure Setting
30/50 Pressure Setting
40/60 Pressure Setting​
$ 18.85    BUY ON-LINE


2"  1/4" Base Mount Pressure Gauge
100PG 100# (Sold Separately)
$ 4.95   BUY ON-LINE


drain back pressure tanks and accessories

SN18LNL 1/8" Air Valve No Lead 
$  2.90

SN25LNL 1/4" Air Valve No Lead

$  3.15     BUY ON-LINE



<<<<< Air Volume Control Connects Here




1" Lead Free Brass Dbl.Tapped Check Valve 
$  23.04   BUY ON-LINE

>>>>> Supply Line To Your House Connects Here >>>>> 


The drain back tank fittings kit is designed for use with galvanized standard type pressure tanks. 
These tanks are used where the well water line will freeze if not drained. The drain back fitting kit allows the water to drain back into the well from the home to prevent the water line from freezing. The 2 hole check valve at the standard pressure tank, has a snifter valve, similar to a valve stem on you car tire.



Free Support


A Division of Denver Winpump Company

Do It Yourself Water Well & Plumbing Supplies


U.S. Gauge Type "WJ" Air Volume Control /

Johnson Controls Type HF93B-1
​(Does Not Include Gauge)

$35.35  BUY ON-LINE


The drain back valve in the tee placed in the drop pipe in the well below frost level, allows the water to drain back to the well. The snifter valve allows air into the line to allow the water to drain back to the well.

Your water line is always empty, when it has drained back. Each time you turn the pump on, the line is full of air, and the air volume control, installed into the tank bung half way up the tank side,  allows the excess air to escape from the tank prior to pressurizing.

Many homes in the mountains have very shallow bury depths, and therefore need to drain the water line back to the well to prevent freezing the line from the well to the home.

1/4" x 3" Lead Free Brass Nipple
$  4.15     BUY ON-LINE

Supply Line In >>>>> 




PO75BNL 3/4" Brass Bleeder Valve Only NL
$11.95 each (Minimum  Order Quantity - 2)

1" Drain Back tank fittings kit contains a 1" Galvanized steel tee with a 1" x 3/4" reducing bushing, and a 3/4" brass drain back valve, to install in the well below frost level. This keeps the water from freezing between the well and the home.
The fittings to plumb your water line into the tank are a 1" 2 hole check valve. This has both an 1/8" and a 1/4" hole. The 1/8" hole is for the 1/8" snifter valve, which will allow air into the water line, so the water will drain back to the well. The 1/4" hole in the check valve is for the 1/4" x 4" galvanized nipple the 20 to 40 psi pressure switch installs onto. The 2 hole check valve is connected to a 1" x 3" galvanized nipple, which is threaded into a 1-1/4" x 1" hex bushing, which threads into the hole near the bottom of the standard pressure tank. In some cases, you may have a larger than 1-1/4" hole at the tank, in which case, you will need to get another bushing to connect to the tank.
The hole in the side of the pressure tank, about half way up is where you install the air volume control. The air volume control has a hole that allow the air to escape as the pump pushes it in. When the water lifts the float on the air volume control, it closes the hole and then the water pressurizes to 40 psi to switch the pump off. There is a 1/4" brass 90 degree street elbow installed into the hole on the air volume control, and a 100 psi pressure gauge is threaded into the tee.


1" x 4" Brass Nipple   $  14.07    BUY ON-LIN

1-1/4" X 1" Brass Bushing  $  10.41    BUY ON-LINE

Nipple and Bushing Connect Check Valve To The Pressure Tank

 Galvanized Pressure Tank 

Brass Down Well Drain Back Tee & Bleeder Valve
1" Tee, Bushing and Bleeder Valves

$  30.68    BUY ON-LINE

​1-1/4" Tee, Bushing and Bleeder Valves​
$  41.23    BUY ON-LINE

Submersible water pumps, Sump and Sewage Pumps, Windmills and Hand Pumps, Monitoring Supplies.

Submersible Water Well Pumps, Sump Pump and Sewage Pumps, Water Well Accessories and Needs, Windmills and Hand Pumps, Environmental Ground Water Monitoring Supplies.
DEAN BENNETT SUPPLY at 1-800-621-4291 is your supplier for Aermotor windmills, Zoeller sump and sewage pumps, as well as Flint & Walling submersible and above ground water well pumps and water well accessories such as tanks, valves, etc.
Since 1965 Dean Bennett Supply has served the needs for water pumping systems for livestock, homes, and businesses. 
We welcome the DO-IT-YOURSELF Installer




Download our catalog in pdf format

Flint and Walling Pumps are used in water wells, and can be used to pump from the surface of a well.Zoeller Sewage and Sump effluent pumps are known for their quality throughout the nation.Aermotor windmills offer a solution for pumping water where power is not available.Your water well system needs more than just a pump. We have all the accessories you need for your water well pumping system.Environmental wells need monitoring well supplies to test for contaminants.
F&W Pumps
Submersible Pumps
Zoeller Pumps
Sump & Sewage
Aermotor Windmills
 windmill supplies
Well Accessories
for your well system
4 inch Submersible PumpsZoeller "BEST BUY"
Sump Pumps & Sewage Pumps
Aermotor WindmillsWell Pump Setting Pipe2" & 4" TFJ Monitoring Pipe
Deep Well Submersible PumpsFiasa WindmillsPVC Pump Setting Pipe1/2" through 1 1/2" TFJ Pipe
Constant Pressure SubmersibleZoeller Sump Pumps
for Effluent Pumping
Aermotor Windmill TowersDole Flow Control ValvesEnvironmental Monitoring Manholes
6 inch Submersible PumpsAermotor Repair PartsAir-E-Tainer Pressure Tanks
Variable Frequency ControlsZoeller Sewage Pumps
for Solid Waste
Baker Hand PumpsDeluxe Tank Fittings KitSquare Monitoring Manholes
Pond Aeration Fountain PumpBaker ZA Pump JacksPitless AdapterLocking Well Caps &
Lawn Sprinkler Pumps Zoeller SHARK820 GrinderWindmill Well CylindersStainless Steel Pitless Adapters
Centrifugal Booster PumpsZoeller 840 Grinder PumpDeep Well Cylinder PumpsWell Caps & Well SealsEnvironmental Sampling / Purging Hand Pump System
Artesian Variable Frequency Drives915-0007 Shark Grinder
Package System
Pump Rod / Sucker RodPressure Switches
Galvanized Steel PipeCheck ValvesReusable Sampling Bailers
High Pressure Booster PumpsReplacement forHydromatic sewage grinder pumpCup LeathersStainless Steel Check ValvesDisposable Sampling Bailers
Water Pressure TanksStuffing BoxesFoot ValvesPVC True Well Screen
Duramac Pressure Booster PumpZoeller Quik JonRobert Bob FloatsBW Low Water ControlsSurge Blocks & Filter Sock
Ultima Qwik JonMidland Float ValvesBW Tank Fill ControlsKwik Klamp Pipe Holder
Duramac Light Commercial
Pressure Booster Pumps
Battery Powered 
Backup Sump Pump
Stock Tank FloatsFlow Inducer SleeveElevators for Pipe & Casing
Stock Tank HeaterPumpTec Well ProtectionMonitoring Pipe Centralizers
Jet PumpsHome Guard MAXWater Pipe Heat Tapes
for roof and pipes
Water FiltersSand Blocker Stainless Steel Well Screens& Drive Points
Low Flow Water SystemPackagedSewage SystemsPressure Reducing Valves
2 Stage Vertical Jet PumpsZoeller Outdoor Burial
Sewage Pump Packag
Windmill AccessoriesWater MetersRubber K-Packers / Tri-Seals
Miscellaneous PumpsPump / Cylinder SystemFused Disconnect BoxGreen Stuff Thread Compound
Ultraviolet Disinfection UnitsZoeller Sewage BasinsTank NipplesTorque Arrestor Drilling Mud Test Equipment
Reverse Osmosis FiltrationSewage Basin Rail SystemsWater Tank Pipe SealsPump Safety RopeRubber Formation Packers
Water Filter CartridgesCrawl SpaceDewateringLawn Decoration WindmillWater Pipe Heat TapesWood Cementing Plugs
Under Counter Drinking Water FiltersZoeller Float SwitchesWindmill books and manualsStainless Steel Pipe Fittings
and Well Accessories
to meet California AB 1953
Cementing Baskets
Zoeller Check Valves Rubber Drill Stem Wipers
Automatic Water Filter SystemZoeller Control Panels Baroid Bentonite Tablets for well sealing
Fertilizer Transfer PumpsHome Temperature Monitor  Stainless Steel Pressure Relief
Submersible Pump WireSmart Pak Plus Alternator  Stainless Steel Tank Cross1-1/2" Stainless Steel Pitless Adapters
UF Burial Wire Cable Zoeller Oil Smart Pump System  Stainless Steel Tank Manifold
BW Low Water Cutoff ControlZoeller Shark 915 packaged system for residential sewage system use.
Zoeller Shark 915
Series Residential
Sewage Grinder Package

Zoeller 2 pump installation basin.
Simplex and Duplex
Sewage Basins for Basement
Floor Installation.
  Stainless Steel Pipe Nipples 
BW High Water Control  Stainless Steel Pipe Couplings 
Water Level Monitor Alarm  Stainless Steel Hex Bushing 
Cistern Fill Pump Control  Stainless Steel Pipe Unions 
Sand Blocker Drive Point
  Stainless Insert Male Adapter 
  Stainless Steel Bibb Spout 
Pipe Setting Tools 1-1/2" Stainless Steel Pitless Adapters 
PVC and Poly Pipe  
Water Well Accessories  
Gas Powered Transfer Pumps   
Hand Operated Transfer Pump   
Tank Nipples   
Water Pipe Heat Tapes   
Fire Protection Pump Package   
Hard to Find Specialty Pumps   
Lakos Sand Separators   
Vu Flow Screens & Sand Separators   
Heated Water Hose   
All Stainless Steel Pump Ends   
Dole flow control valves meter the water flow and limit the flow.Wintergard Wet heat tape eliminates ice buildup on roof edges, preventing damage to overhangs.11 HD Baker Hand Pump for manual pumping water from a well.
Baker Hand Pumps are
the full size manual pumping
hand pumps
you used as
a kid when you pumped
water from a well.
They still pump today!
Industrial Grade heat tape for water line protection against freezing.


  How can I install a hand pump in my electric pump well?

4 inch submersible pump installation instructions.

Water Well Pump Sizing Information
& how to install my pump

For best service, call Dean Bennett Supply at 800-621-4291 to place your order prior to pickup.

Duplex Sewage Pump Controller with cover open to see inside.

SJE Rhombus Water Level Monitor Alarm for Cisterns
Cistern Water Level Monitor

for keeping track of the water
level in a cistern water tank

Zoeller package system includes sewage pump, basin, and check valve.
Packaged Sewage Pumps
and Basin Systems


Dura Mac pump system for uniform pressure and flow.
DuraMac Pump System

Auto Dialer to alert you to a problem when you are away.
Auto Dialer to alert you to a problem when you are away.

Be alerted to cold temperatures or to high water condition.

Duplex Control for 2 pump system with floats.

Wintergard Wet Heat tape to protect you pipes, and your home roof edge from freeze up problems.Wintergard and Frostex heat tape for every frozen pipe prevention project.
New #681NT Pipe Dog Pipe Lifting Tool is now back in stock.
681NT Pipe Dog

Hand painted windmill are on a windmill tail vane.
Windmill Vane Art For Sale








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Dean Bennett Supply Company has been a stocking distributor of pumps and well supplies since 1965. Whether your pumping needs are for household use or for livestock watering, our knowledgeable sales people will guide you to the correct products. Our large Denver inventory of well supplies will make fast delivery of your order easy. Your quality concerns will disappear when you can select brand name merchandise from well known manufacturers like Flint & Walling pumps, Aermotor windmills, and Zoeller sump and sewage pumps. We serve the rancher, home owner, and Do-It-Yourself installer in addition to the professional well driller / pump man - - So don't hesitate to call us for help on the products we sell you.

PREFER TO PERSONALLY VISIT WITH OUR SALES PEOPLE?   Call us at no cost on our nationwide toll free phone   ( 1 - 800 - 621 - 4291 )   Monday thru Friday    7 AM to 3 PM   Mountain Time Zone. Our sales people will be glad to answer your questions, take your order, or help you in any other way we can on products we sell.

Our Denver warehouse and office complex is not a retail type store front. All sales and help is by phone only. All orders must be placed and paid for prior to your arrival at our will call counter, should you need to pick your order up in Denver.

Mail:    1770 East 69th Ave    Denver, CO     80229-7327
Phones:    Toll Free   1-800-621-4291       Local   303 - 286 - 1500
All phone lines are connected to our 24 hour message recording system.
Fax 303 - 286 - 0001
E-mail us at

Dean Bennett Supply is your source for windmills, water well pumps and sump and sewage pumps.