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Common Sprinkler Winterization Products

  • Pipe Insulation - Helps keep water temperature in your irrigation system above freezing.
  • Pipe Tape - Wrapping pipes with tape will allow you to trap heat in the pipes during winter.
  • Insulation Pouches – These protective covers prevent freezing and ensure your backflow device functions properly without sustaining any damage.

Winterization Wizard Dwayne demonstrates how to protect your system like a pro.

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  1. Insulated BackFlow Bag 34 in. x 24 in. Green Insulation Pouch | BFA3424G
    Insulated BackFlow Bag 34 in. x 24 in. Green Insulation Pouch | BFA3424G
    On-Sale $58.57 List Price $107.95
    HLSG SKU: WWIBFA3424G
    SKU: BFA3424G
  2. Backflow Armor Insulated BackFlow Bag 24" x 24" Green Insulation Pouch | BFA2424G
    Insulated BackFlow Bag 24 in. x 24 in. Green Insulation Pouch | BFA2424G
    On-Sale $46.63 List Price $80.95
    HLSG SKU: WWIBFA2424G
    SKU: BFA2424G
  3. King Innovation Pipe Wrap Tape 100' | 86080
    King Innovation Pipe Wrap Tape 100 ft. | 86080
    On-Sale $10.26 List Price $14.97
    HLSG SKU: KNG86080
    SKU: 86080
  4. Backflow Armor Insulated BackFlow Bag 16" x 21" Green Insulation Pouch | BFA2116G
    Insulated BackFlow Bag 16 in. x 21 in. Green Insulation Pouch | BFA2116G
    On-Sale $35.38 List Price $66.95
    SKU: BFA2116G
  5. Backflow Armor Insulated BackFlow Bag 24" x 16" Green Insulation Pouch | BFA2416G
    Insulated BackFlow Bag 24 in. x 16 in. Green Insulation Pouch | BFA2416G
    On-Sale $31.44 List Price $69.95
    SKU: BFA2416G
  6. Insulated Backflow Bag 48 in. x 24 in. Green Insulation Pouch | BFA4824G
    Insulated Backflow Bag 48 in. x 24 in. Green Insulation Pouch | BFA4824G
    On-Sale $92.41 List Price $219.94
    HLSG SKU: WWIBFA4824G
    SKU: BFA4824G
  7. Insulated Backflow Bag 48 in. x 30 in. Green Insulation Pouch | BFA4830G
    Insulated Backflow Bag 48 in. x 30 in. Green Insulation Pouch | BFA4830G
    On-Sale $111.62 List Price $227.70
    HLSG SKU: WWIBFA4830G
    SKU: BFA4830G
  8. Thermacel Seam-Seal Pipe Polymer Foam Insulation 1 in. x 6 ft. | TC138ASM
    Thermacel Seam-Seal Pipe Polymer Foam Insulation 1 in. x 6 ft. | TC138ASM
    On-Sale $6.00 List Price $7.95
    SKU: TC138ASM
  9. Insulated BackFlow Bag 24 in. x 24 in. Tan Insulation Pouch | BFA2424T
    Insulated BackFlow Bag 24 in. x 24 in. Tan Insulation Pouch | BFA2424T
    On-Sale $46.63 List Price $80.95
    SKU: BFA2424T
  10. Blow Out Bonnet for Wilkins 720 1 in. | BOBZ1
    Blow Out Bonnet for Wilkins 720 1 in. | BOBZ1
    On-Sale $149.95 List Price $189.95
    HLSG SKU: BOBZ1
    SKU: BOBZ1
  11. Blow Out Bonnet for Febco 765 1 in. | BOBF1
    Blow Out Bonnet for Febco 765 1 in. | BOBF1
    On-Sale $149.95 List Price $189.95
    HLSG SKU: BOBF1
    SKU: BOBF1
  12. Wilkins 14-ZWFR Freeze Prevention Valve 1/4 in. MPT x FPT with 1/8 in. Test Cock | WK14-ZWFR
    Wilkins 14-ZWFR Freeze Prevention Valve 1/4 in. MPT x FPT with 1/8 in. Test Cock | WK14-ZWFR
    On-Sale $162.69 List Price $220.95
    HLSG SKU: WLKZWFR002
    SKU: WK14-ZWFR
  13. Backflow Armor Hose Bib Green Insulation Pouch | BFA1HBBG
    Backflow Armor Hose Bib Green Insulation Pouch | BFA1HBBG
    On-Sale $8.21 List Price $12.99
    HLSG SKU: WWIBFA1HBBG
    SKU: BFA1HBBG
  14. Insulated Backflow Bag 48 in. x 30 in. Tan Insulation Pouch | BFA4830T
    Insulated Backflow Bag 48 in. x 30 in. Tan Insulation Pouch | BFA4830T
    On-Sale $111.62 List Price $227.70
    SKU: BFA4830T
  15. Insulated Backflow Bag 48 in. x 24 in. Tan Insulation Pouch | BFA4824T
    Insulated Backflow Bag 48 in. x 24 in. Tan Insulation Pouch | BFA4824T
    On-Sale $92.41 List Price $219.94
    SKU: BFA4824T
  16. Insulated BackFlow Bag 24 in. x 16 in. Tan Insulation Pouch | BFA2416T
    Insulated BackFlow Bag 24 in. x 16 in. Tan Insulation Pouch | BFA2416T
    On-Sale $33.78 List Price $69.95
    SKU: BFA2416T
  17. Insulated BackFlow Bag 34 in. x 24 in. Tan Insulation Pouch | BFA3424T
    Insulated BackFlow Bag 34 in. x 24 in. Tan Insulation Pouch | BFA3424T
    On-Sale $58.57 List Price $107.95
    SKU: BFA3424T
  18. Insulated BackFlow Bag 16 in. x 21 in. Tan Insulation Pouch | BFA2116T
    Insulated BackFlow Bag 16 in. x 21 in. Tan Insulation Pouch | BFA2116T
    On-Sale $35.38 List Price $66.95
    SKU: BFA2116T
  19. Dekorra 609-DT Desert Tan Insulation Pouch w/ R-13 Insulation Factor
    Dekorra Desert Tan Insulation Pouch w/ R-13 Insulation Factor 24" x 16" | 609-DT
    On-Sale $34.71 List Price $59.99
    SKU: 609-DT
  20. Thermacel Seam-Seal Polymer Foam Pipe Insulation 3/4" x 6' | TC118BSM
    Thermacel Seam-Seal Polymer Foam Pipe Insulation 3/4 in. x 6 ft. | TC118BSM
    On-Sale $3.45 List Price $7.95
    SKU: TC118BSM
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Save Your System!
With Proper Pipe Freeze Protection 

Sprinkler Winterization Supplies Are Essential This Winter

Find all your backflow winterization supplies here at Sprinkler Warehouse. Your backflow device plays an important role in protecting against both back-siphonage and back-pressure of contaminated water into your water supply. That's why it's extremely important to be prepared for the winter this season as cooler temps blow in. 

Protect Now or Pay Later

Avoid repair costs that come with a damaged or burst pipe by protecting your investment. Insulating your irrigation system backflow preventer will be the most important step to take when protecting your pipe insulation from a cold climate. Save money and time by making winterization more effective by utilizing our backflow winterization supplies. Shop our selection online today.

Why Our Backflow Preventer Insulation Pouches (Compared to the Other Guys)

  1. Seams are double stitched to prevent the edges from ripping apart.
  2. Thick fiber-reinforced bag that is tear and crack resistant.
  3. Preinstalled velcro bag seal lock prevents cold air intrusion and prolongs antifreeze time.
  4. Rustproof brass grommets ensure security.
  5. Four sizes available for your backflow insulation pouch.

Your One-Stop Shop for Backflow Winterization Supplies and Resources

Don't let cost be the reason you can't protect your system. Along with our sprinkler system winterization supplies, check out our resources to help guide you through the freeze prevention process. As we all know, the weather is not easy to predict but that doesn't mean you can't be prepared for a colder climate when that mid-season freeze sneaks upon us.

How Do I Winterize My Sprinkler System? 

In addition to applying insulation, water should be removed from the pipes to prevent damage over the winter. There are 3 common methods of doing so:

  • The manual drain method involves opening the drain valves to allow the water to drain out by gravity.
  • The manual drain method involves opening the drain valves to allow the water to drain out by gravity.
  • Some sprinkler systems have automatic drain valves that open when water pressure drops, allowing the water to drain automatically.

Related Backflow Winterization Products

  1. Febco 765 PVB Backflow Preventer 1" FPT | FE765-100
    Febco 765 PVB Backflow Preventer 1 in. FPT | FE765-100
    On-Sale $190.07 List Price $267.95
    SKU: FE765-100
  2. Backflow Armor Insulated BackFlow Bag 24" x 24" Green Insulation Pouch | BFA2424G
    Insulated BackFlow Bag 24 in. x 24 in. Green Insulation Pouch | BFA2424G
    On-Sale $46.63 List Price $80.95
    SKU: BFA2424G
  3. Thermacel Seam-Seal Polymer Foam Pipe Insulation 3/4" x 6' | TC118BSM
    Thermacel Seam-Seal Polymer Foam Pipe Insulation 3/4 in. x 6 ft. | TC118BSM
    On-Sale $3.45 List Price $7.95
    SKU: TC118BSM
  4. Backflow Installation Accessory Kit 1" | SW-FLOWKIT-1
    Backflow Installation Accessory Kit 1 in. | SW-FLOWKIT-1
    On-Sale $19.64 List Price $31.60
    SKU: SW-FLOWKIT-1

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Sprinkler Winterization FAQs

Can I use pool noodles, towels, pillows, etc. as irrigation pipe insulation?

No, the best way to prevent your pipes from freezing is an insulated foam pipe like our Thermacel seam-seal foam pipe. Thermacel has a low thermal conductivity and low water vapor transmission rate making it the most effective when it comes to protecting your pipes and irrigation system.

Should I close the backflow ball valves during a freeze?

No, normally you want to keep the backflow ball valves open since they tend to retain water as well. When you start winterizing your backflow preventer, it's important to note to insulate all the way up to the ball valve and cover any exposed parts. If the backflow ball valve is closed and the water freezes from the inside, it can crack causing you to replace the valve.

When should I winterize my sprinkler system?

The ideal time to winterize your sprinkler system is before the first hard freeze, usually in late fall. In most areas, this is typically in October or November, depending on your climate. However, if you're unsure, itā€™s a good idea to install your installation sooner rather than later.

How do I know what size backflow preventer insulation pouches I need?

The first number is the length and the second number is the height. To measure the length, take a measuring tape and start halfway around the elbow and go all the way out to the test valve. Add a few inches so the pouch can sit comfortably. For the height, it's important to cover all of the PVB. Start your measurements from the top of the bell to the bottom of the device. Note, the measurements listed online are that of the pouch, not the backflow device.