Poly Tank Accessories

Polyethylene Underground Water Tanks


Fiberglass Tanks
PolyethyleneTanks
Engineering Assistance

Polyethylene Water Tank Accessories

[1] Polyethylene OcTank module

  • 2000 gallon nominal capacity
  • Suitable for potable water
  • NSF 61 listed high density polyethylene potable water approved resin
  • Light gray color
  • May be dry buried, no need to add water during backfill
  • Maximum soil cover depth 36"
  • Empty ship weight 800 pounds per module

Price: $1.15 / gallon - R 02/09 / Freight is additional


[2] OcTank Installation Details

  • Each module includes one 18" spool access riser with bolted cover, intended for burial
  • Installation requires a coarse sand bed and sand backfill to top of tank, followed by a soil cover and mound at grade
  • Avoid wet locations unless using deadman anchors or a bed subdrain to daylight
  • Bypass excess rainwater to a remote discharge away from the tank and nearby structures

[3] 20 inch I.D. segmented spool type polyethylene manway extension

  • Each stackable flanged riser segment is 18 inches tall
  • Gray color, UV stabile resin
  • Includes all bolts and gasket
  • Stainless steel & brass hardware
  • Can be shipped individually by UPS

Price: $211.00 for each 18" section / Freight additional if not shipped with tank order


[4] Standard 20" x 30" polyethylene manway extension for 36 inch bury depth below grade

  • Overlapping hinged cover with padlock hasp and internal rubber dust seal
  • Gray color, UV stabile resin
  • Tank entry is 20 inches ID
  • Upper portion inside diameter is 30 inches for shoulder room and easy access
  • Includes internal safety cover and poly rope

Price: $350.00 / (includes $329 credit for spool and cover)


[6] Locking grade box with aluminum treadbright cover for manway security

  • 32" X 32" square opening
  • Choose either internal bolted cover or easy open poly plug cover
  • Not automobile traffic rated
  • Aluminum cover, drop down handle, and holes for padlock

Price: $450.00 / Freight additional if not shipped along with tank order


[7] Plug type cover to replace bolted cover on 20 inch I.D. spool risers

  • Slip fit poly plug with handle
  • Light weight but durable
  • Not automobile traffic rated
  • Not secure without grade box #6 or chain through handle

Price: $129.00 / when ordered alacarte


[8] 4 inch or 6 inch PVC vent head

  • Removable stainless steel insect screen inside (8 mesh standard)
  • Slotted external poly guard
  • Includes top hub tank adapter
  • PVC riser pipe by others

Price: $190.00 4 inch price

$220.00 6 inch price


[11] 2 inch mini vent for manway covers

  • Mounts on hinged manway or spool with bolted cover
  • Includes 2 inch bolt-in fitting
  • Stainless steel insect screen
  • Louvered plastic guard
  • PVC riser pipe by others if increased height is needed

Price: $80.00


[12] Overflow head assembly

  • Diverts excess water to remote daylight discharge
  • Includes swing check valve & galvanized steel rodent guard
  • Includes flex member at tank
  • PVC piping run by others

Price: $200.00 2 inch price

$251.00 4 inch price

$448.00 6 inch price

$665.00 8 inch price


[13] Float valve water level control

  • Manway mount on one inch brass pitless adapter
  • Adjustable float arm for proper air space at top of tank
  • Brass piping and brass backflow check valve
  • Includes 1" feed line stainless flex member and PVC adapter
  • Install to meet plumbing code
  • Must be field assembled

Price: $298.00

$382.00 Low Level irrigation type


[15] 1 inch brass pitless adapter

  • Installs in manway or spool just above the bolt flange
  • Rated at 75 PSI working pressure
  • Includes stainless steel flex member and PVC adapter
  • Often used with submersible mult-stage deep well style household pressure pumps
  • Lift up slider to remove pump

Price: $161.00 1-inch size

$356.00 2-inch size


[17] PVC float tree & float switch kit

  • Sliding adjustable float position design
  • Includes 2 mounts with stainless steel hardware
  • Used to control pumping functions - up or down
  • Includes one - 3 wire,12 amp, non-mercury, SP/DT switch
  • 1" PVC drop pipe with handle included (only when ordered with tank)
  • Some field assembly required

Price: $195.00

$69.00 each / Additional switches


[18] Submersible bottom suction high pressure Darco pump

  • 120 VAC - 1/2 HP - 50 PSI - 20 GPM discharge capacity
  • Pump package includes 1 inch pitless adapter in manway
  • Lift up on T-handle to easily remove pump from tank
  • Includes 1" ss flex member
  • Plugged port for relief valve or bypass
  • Suitable for household use and irrigation systems

Price: $659.00

$95.00 optional float tree kit / For low water level pump shut down


[19] Submersible dewatering type low pressure Darco pump

  • 120 VAC - 3/4 HP - 80 GPM at 10 feet of head
  • Includes 2 inch quick coupler for manway collar
  • Lift up on coupler to easily remove pump from tank
  • Includes 2 " ss flex member
  • Includes integral low water pump shut down float switch
  • Suitable for low head dewatering

Price: $507.00


[20] Alarm panel for high level or low level water volume alert

  • 120 VAC power required
  • Plastic weather tight alarm box mounts on post by tank or inside building
  • Red light and alarm buzzer
  • Alarm silence switch on outside of box
  • Includes one float tree kit with one universal float switch
  • Some field assembly required

Price: $244.00


[23] Bolt-in fittings with internal NPT female tapered threads

  • Polypropylene bolt flanges
  • Inner and outer female threads
  • Rated for 25 psi maximum
  • Stainless bolts & gaskets included
  • Field install with a hole saw
  • Must fit flat both inside and outside for proper seal
  • Install nuts to inside of tank

Price: $60.00 2"

$215.00 2" all stainless / 75 psi

$52.00 3"

$486.00 3" all stainless / 75 psi


[24] Stainless flex members with male pipe threads for water inlet fittings and pumped discharge

  • Heavy clear vinyl jacket or stainless steel braid
  • Includes one schedule 80 reinforced PVC pipe adapter
  • NOTE pressure ratings below

Price: $78.00 1" - braided / rated at 75 psi working pressure

$109.00 2" vinyl jacket - 25 psi

$129.00 2" - braided / 75 psi

$159.00 3" vinyl jacket - 25 psi

$219.00 3" - braided / 75 psi


[25] Tank adapters for top or bottom connections as an inlet or discharge in piping applications

  • 4", 6", or 8" schedule 40 PVC pipeline connection sizes
  • Includes rubber sealing sleeve & stainless steel twin clamps
  • Adapters are rubber and eliminate the need for flexible members at these fitting points

Price: $170.00 4" PVC socket

$198.00 6" PVC socket

$112.00 8" PVC pipe stub


[26] Float and dial type mechanical water level gauge

  • Requires no electric power
  • Reads the inches of water depth in storage tank
  • Metal gauge body and weather proof clear viewing lens
  • Must be field assembled and calibrated by the installer

Price: $294.00


[27] 6 inch NST- Male dry fire hydrant for Fire Service suction drafting

  • Includes metal cap & lanyard
  • Removable plastic strainer
  • 90, 45, or straight sch. 40 PVC top fitting angle choice
  • Includes anti-vortex plate at foot of 6" draw pipe per NFPA
  • Includes top hub tank adapter
  • Some field assembly required
  • 6 inch PVC riser pipe by others

Price: $588.00

$86.00 Additional for female swivel with plug and lanyard

$177.00 Additional for Storz head with cap and lanyard


[28] Top hub accessory adapter

  • Choose either 4 or 6 inch sch. 40 PVC vertical riser pipe size
  • Includes PVC socket coupling above rubber tank seal
  • Includes stainless twin clamps
  • PVC riser pipe by others

Price: $39.00 4" size

$50.00 6" size


[29] Anti-buoyancy anchor cable kit

  • One kit required per module
  • Includes 4 stainless steel 3/8" cables with 12 stainless clamps
  • Includes 2 polyester anchor straps
  • Includes Darco reusable cable tensioning tool (1 per order)

Price: $450.00 per module


[30] Cardboard caisson tubes for making deadmen on site

  • 1 form required for each side of modules to be anchored
  • 12" diameter by 90" long
  • Rebar and concrete by others
  • May be shipped with tank or purchased by the installer at any local lumber yard

Price: $117.00 per pair


[31] Rainwater clarifier inlet package

  • Includes 1 OcTank module and manway assembly as illustrated
  • 200 gallons per minute maximum inlet flow capacity
  • Bypass or overflow excess incoming water to remote location
  • Includes easily removable internal mesh leaf basket and washable poly filter pack
  • Inlet pipe stub for 6 inch SDR 35 PVC roof leader hook-up
  • Includes 4" vent assembly (not in illustration)
  • No top interconnect normally installed with this package

Price: $4100.00 / Complete Unit


[32] External leaf and debris basket for gutter downspout leaders

  • Bury with lid exposed above grade
  • Locate in leader line between downspout and storage tank
  • Basket can be easily cleaned
  • Accepts smooth bore 4" or 6" PVC pipe
  • Field preparation and assembly required
  • Rubber connection sleeves and hose clamps by others
  • Not secure without grade box #6 or chain through handle
  • May be extended up to 24 inches vertically for deeper bury

Price: $326.00 / Freight additional if not shipped with tank order

$75.00 Additional for 24 inch Extra Depth Extension


[34] Master irrigation module with pump

  • Includes tank module, irrigation pump, manway, vent, and filter assembly as Illustrated
  • Inflow capacity 200 gal / min.
  • Includes low level float valve for minimum automatic refill
  • Float switch protects pump
  • Inlet 6 inch SDR-35 PVC pipe
  • No top interconnect required

Price: $5013.00 / Complete Unit



Prices subject to change.
Written quotes honored for thirty (30) days only.

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Bennett, CO 80102 || (800) 232-8660
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