Watts 3/4 in. Bronze Pressure Vacuum Breaker-800M4-QT at The Home Depot
Free shipping
Watts 3/4 in. Bronze Pressure Vacuum Breaker

Watts 3/4 in. Bronze Pressure Vacuum Breaker

Model # 800M4-QT

Internet # 100201103

$67.65 / each
PRODUCT SOLD :  Online & In Store
Item cannot be shipped to the following state(s): AK,CA,GU,HI,PR,VI,VT


The 3/4 in. 800M4 pressure vacuum breaker prevents the reverse flow of polluted water from entering into the potable water supply due to back siphon-age. 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. It is ideal in continuous pressure health hazard applications such as on irrigation systems and industrial process water systems.

  • Easy to maintain - no special tools required for servicing
  • Test cocks positioned for easy testing and winterization
  • Maximum pressure 150 psi (10.3 bar)
  • Minimum pressure 15 psi (55kPa)

Info & Guides

You will need Adobe® Acrobat® Reader to view PDF documents. Download a free copy from the Adobe Web site.


Actuation  Manual  Assembled Depth (in.)  8.75 in 
Assembled Height (in.)  6 in  Assembled Width (in.)  8.5 in 
Compatible pipe material  Brass  Connection  FPT x FPT 
Insulated  No  Manufacturer Warranty  Watts (the "Company") warrants each product to be free from defects in material and workmanship under normal usage for a period of one year from the date of original shipment. 
Material  Bronze  Maximum pressure (psi)  150 
Maximum working temperature (F)  140  Minimum working temperature (F)  33 
Pipe or Fitting Product Type  Valve  Plumbing Part Type  Valve 
Product Height (in.)  Product Length (in.)  9.6 in 
Product Weight (lb.)  3.85  Product Width (in.)  8.8 
Push to connect  No  Rating  Water 
Returnable  90-Day  Size (in.)  3/4 
Valve Product Type  Pressure Regulating  Valve inlet diameter (in.)  .75 
Valve outlet diameter (in.)  .75  Valve type  Other 



Most orders process within 3 business days.

Please allow 3 to 5 business days for Standard Shipping in addition to order processing time, which varies by product.  Items deliver by small parcel service.

If product is eligible for shipping to AK, HI and US Territories additional transit time and remote surcharges may apply.