Body Material: Bronze with internal polymer coating
Maximum Supply Pressure: 175 PSI
Water Temperature Range: 33°F – 180°F
Connections: NPT inlet and outlet
Shutoffs: Quarter-turn ball valves with lever handles
Flood Detection: SentryPlus Alert® sensor
USC, ASSE 1013, AWWA C511-92, CSA B64.4 Approved
Description
This 1 1/2 inch Watts Series 009 reduced pressure zone assembly backflow preventer protects potable water supplies from contamination caused by backsiphonage or backpressure. Constructed from durable bronze with an internal polymer coating for corrosion resistance, it features NPT inlet and outlet connections and quarter-turn ball valve shutoffs. The compact modular design allows for easy in-line maintenance and economical repair with replaceable seats. It includes a SentryPlus Alert® flood sensor to detect excessive water discharge. This assembly is approved by USC, ASSE No. 1013, AWWA C511-92, and CSA B64.4, ensuring compliance with national plumbing codes and water authority requirements. Item number 88004134.
Help Me Connect
Connections
The 1 1/2 inch reduced pressure zone assembly backflow preventer features standard NPT (National Pipe Taper) threaded inlet and outlet connections.
NPT connections provide a secure, tapered pipe thread for plumbing systems.
This 1 1/2 inch reduced pressure zone assembly backflow preventer is designed to protect potable water supplies from pollution due to backsiphonage or backpressure, in accordance with national plumbing codes and water authority requirements.
Its compact, modular design features a single access cover for easy in-line maintenance and repair.
Features
Bronze body construction with an internal polymer coating for extended corrosion protection
NPT inlet and outlet connections and quarter-turn full port resilient seated bronze ball valve shutoffs with lever handles
Includes two in-line independent check valves with captured springs and replaceable polymer check seats
An internal relief valve is designed for reduced installation clearances and features removable seats for economical repair
Integrated flood sensor with SentryPlus Alert® technology detects excessive water discharges from the relief valve, providing alerts for potential flooding events when paired with an add-on connection kit
Top-mounted test cocks for easy verification
Compact, space-saving design with large body passages for low pressure drop
It is illegal to use this product in any plumbing system providing water for human consumption in the United States without consulting your local water authority, building, and plumbing codes before installation.
Specifications
General
Size: 1 1/2 inch
Product Type: Reduced Pressure Zone Assembly Backflow Preventer
Series: 009
Body Material: Bronze
Internal Coating: Polymer
Disc Material: Silicone Rubber
Check Seat Material: Replaceable Polymer
Relief Valve Seat Material: Removable
Cover Bolt Material: Stainless Steel
Connection Type: NPT (Standard)
Shutoff Type: Quarter Turn, Full Port, Resilient Seated Ball Valve
Water Temperature Range: 33°F – 180°F (0.5°C – 75°C)
Dimensions (Approximate)
Length (A): 17 7/8 in (454 mm)
Height (B): 6 3/4 in (169 mm)
Width (C): 3 1/2 in (89 mm)
Depth (D): 3 1/4 in (83 mm)
Overall Length (L): 11 1/8 in (283 mm)
Strainer Width (M): 4 7/8 in (124 mm)
Strainer Height (N): 4 in (102 mm)
Weight: 16 lb (7 kg)
Certificates & Approvals
USC
ASSE No. 1013
AWWA C511-92
CSA B64.4
IAPMO File No. 1563
UL Classified: 3/4" - 2"
Approved by Foundation for Cross-Connection Control and Hydraulic Research at the University of Southern California
FAQs
What is the primary function of the Watts Series 009 backflow preventer?
Its primary function is to prevent polluted water from flowing back into the potable water supply due to backsiphonage or backpressure, ensuring the safety of drinking water.
What type of connections does this backflow preventer use?
This model is equipped with standard 1 1/2 inch NPT (National Pipe Taper) threaded inlet and outlet connections, designed for secure integration into plumbing systems.
What materials are used in the construction of this backflow preventer?
The body is constructed from durable bronze, and it features an internal polymer coating for enhanced corrosion protection. The check and relief valve discs are made of silicone rubber, with replaceable polymer check seats.
Does this backflow preventer include a flood detection feature?
Yes, it includes a SentryPlus Alert® flood sensor integrated into the relief valve to detect excessive water discharges, which can trigger alerts when connected to an add-on sensor kit.
What are the operating pressure and temperature limits for this device?
It is suitable for supply pressures up to 175 PSI (12.1 bar) and can handle water temperatures ranging from 33°F to 180°F (0.5°C to 75°C).
