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Watts 800M4QT PVB Backflow Preventer

In stock
SKU
WA800M4QT
Free Shipping on Orders over $125
Sale Price $100.48
Our Price $187.00
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Watts 800M4QT

Series 800M4QT Anti-Siphon Pressure Vacuum Breakers prevent the reverse flow of polluted water from entering into the potable water supply due to backsiphonage. It consists of bronze body construction, silicone rubber check valve disc, plastic check valve seat, stainless steel springs, a bonnet with silicone rubber O-ring seal, a lightweight plastic disc float, tee handle or lever handle shutoffs, and test cocks for winterization draining. Series 800M4QT is ideal in health hazard continuous pressure applications such as irrigation systems and industrial process water systems where the water enters the equipment at or below its flood rim. Maximum Pressure:150psi (10.3 bar), Minimum Pressure: 15psi (55kPa)

  • Replaceable plastic seat
  • Easy maintenance of internal parts
  • Acetal bonnet acts as “freeze plug" to prevent body damage
  • O-ring bonnet seal for less possibility of fouling
  • Silicone seat disc for durability
  • Test cocks positioned for easy testing and winterization
  • Compact space saving design
  • Standardly equipped with tee handle quarter turn ball valve shutoffs 1⁄2" – 1" (15 – 25mm). The 11⁄4" – 2" (32 – 50mm) feature lever handles
  • No special tools required for servicing 
  • Bronze body for durability
Brand:
Watts
Weight:
1.0000
Size (in.):
3/4" & 1"
Connection:
FPT
Lead Free:
Not Lead Free
Max Working Pressure:
150 PSI
Temperature Range:
33F to 140F
Series:
800M4QT
Type:
Pressure Vacuum Breaker (PVB)
Warranty:
1 Year
Test Cocks:
2 MALE
Springs:
Stainless Steel
Hydrostatic Test Pressure:
300 PSI
Main Valve Body Materials:
Bronze
Elastomers:
Silicone
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