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Backflow Preventers
Double Check Detector Assemblies
Watts 774 Double Check Detector Assemblies
3" 774 Double Check Detector Assembly (774DCDA-OSY-GPM)
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$4,656.27 each
Out of Stock
Get it Tue, Apr 11 - Thu, Apr 20
MANUALS (2)
Lift Gate
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This product weighs 230 lbs. and may require the use of a lift gate. If you do require a lift gate at your delivery, you'll have the option to add this FREE of charge when you checkout.
Free Shipping This item ships free
Easy Returns No restocking fee for 90 days
Product Highlights
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3"
Stainless Steel
175 PSI
110°F Max Temp
33°F Min Temp
Description
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This 3" double check detector backflow preventer assembly prevents the backflow of fire protection system substances from being pumped or siphoned into the potable water supply. It consists of a compact construction and short lay length, ideal for retrofit installations. It features a lightweight stainless steel body, thermoplastic and stainless steel check valves, and low head loss. It has outside stem and yoke shutoffs and a gallons per minute meter. It can be installed in a horizontal or vertical flow-up position. It is designed for installation on applications identified by local authorities as non-health hazard, such as on fire protection systems. The maximum working pressure is 175 psi (12.06 bar).
Features:
Features:
- Outside screw and yoke shutoffs
- Stainless steel for corrosion resistance
- Designed for minimum head loss
- 150 pound ANSI/AWWA CL D flanged
Specs
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| Size: | 3" |
|---|---|
| Material: | Stainless Steel |
| Max Pressure (PSI): | 175 |
| Max Temp (F): | 110°F |
| Min Temp (F): | 33°F |
| Features: | UL/FM outside stem and yoke resilient seated gate valves |
Questions?
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8am–7:45pm
Friday
9am–7:45pm
Saturday – Sunday
9am–5:45pm
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On orders over $99
We offer flexible shipping and scheduling options, up-to-date delivery estimates, and free ground shipping on any order over $99 to make sure your order gets to you on-time, for less.
Shipping PolicyEasy Returns
Returning items is as simple as 1-2-3
Ordered the wrong product? Item damaged in transit? Our 3-step process makes returning products easy – even up to a year after purchase – with no restocking fees on returns made within 90 days.
Return Policy