Big Discount RV carries a full line of RV plumbing parts such as fittings, bathubs, toilets, holding tanks, water pumps, accessories and more.

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800-787-8295
M-F: 8-5pm Central, Sat: 9-4pm • NO SALES TAX outside Illinois
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Plumbing: Poly Holding Tanks Home
 

High Density Polyethylene
Holding Tank

Gals. A" B" C" Price  
32 56-1/2 20 8-3/4 $218
37 48-1/2 25 8-7/8 $218

High Density Polyethylene
Holding Tank

12 gal tank
Big D Price: $130

High Density Polyethylene
Holding Tank

15 gal tank
Big D Price: $196
 

High Density Polyethylene
Holding Tank

18 gal tank
Big D Price: $174

High Density Polyethylene
Holding Tank

20 gal tank
Big D Price: $130

High Density Polyethylene
Holding Tank

20 gal tank
Big D Price: $217
 

High Density Polyethylene
Holding Tank

21 gal tank
Big D Price: $131

High Density Polyethylene
Holding Tank

24 gal tank
Big D Price: $142

High Density Polyethylene
Holding Tank

25 gal tank
Big D Price: $152
25 gal tank
Big D Price: $261
 

High Density Polyethylene
Holding Tank

27 gal tank
Big D Price: $196

High Density Polyethylene
Holding Tank

30 gal tank
Big D Price: $195

High Density Polyethylene
Holding Tank

32 gal tank
Big D Price: $196
 

High Density Polyethylene
Holding Tank

35 gal tank
Big D Price: $218

High Density Polyethylene
Holding Tank

38 gal tank
Big D Price: $260

High Density Polyethylene
Holding Tank

40 gal tank
Big D Price: $239
 

High Density Polyethylene
Holding Tank

55 gal tank
Big D Price: $294

High Density Polyethylene
Holding Tank

60 gal tank
Big D Price: $260

Grommet

1-1/2" Grommet
Big D Price: $5.80
2"Grommet
Big D Price: $6.80
3"Grommet
Big D Price: $9.20
 

Installing Poly Holding Tank Fittings

  • Made of high density polyethylene.
  • Requires use of hole saw for installation of grommets.
  • For 3" fitting use a 3-7/8" hole saw.
  • For 2" fitting use a 2-3/4" hole saw.
  • For 1-1/2" fitting use a 2-1/4" hole saw.
  • After grommet is seated in tank, upper lip must besealed with silicone bathtub caulk.
 

Holding Tank Sensors

These sensor probes are for use in fresh water and wastewater holding tanks. Simply drill a hole in the tank,insert the probe and tighten the screw for a water tightseal or spin-in the sensor.
#MP5 (above left)
Big D Price: $3.50
#350-S, Spin-In Sensor Probe (above right)
Big D Price: $3.50
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For additional models & prices call
800-787-8295
M-F: 8-5pm Central, Sat: 9-4pm • NO SALES TAX outside Illinois

©2003 Big Discount RV — Product photos may vary from actual product.