3 M400N-BFG
Item Number: 0191103Brand - Ames
Couldn't load pickup availability
- Nominal Size: 3 inch
- Weight: 90.0 lb
- Housing Material: 304 Stainless Steel
- Shutoff Valves: Grooved Gear Operated Butterfly with Tamper Switch
- Reduced Pressure Zone (RPZ) type
- 70% lighter than traditional designs
- Extremely compact for small enclosures
- Torsion spring check modules for easy service
- Link check modules provide lowest pressure loss
Description
Description
Help Me Connect
Help Me Connect
Installation and Connections
- This 3 inch Maxim™ Reduced Pressure Zone Backflow Preventer Assembly is designed for horizontal N pattern installation.
- The assembly features groove couplings for easy installation and pipe alignment.
- Ensure the installation is in accordance with the direction of the flow arrow indicated on the assembly.
- Adequate clearance (minimum 12 inches from lower portion to floor/grade) is required around the valve for inspection, testing, and servicing.
- Protection from freezing is essential for proper operation.

Collapsible content
Additional Details
This Maxim™ 3 inch lead free reduced pressure zone backflow preventer assembly is engineered to prevent the reverse flow of fire protection substances and non-potable water into the potable water supply.
It provides crucial protection against backsiphonage and backpressure in accordance with national plumbing codes and water authority requirements, suitable for continuous pressure piping applications and health hazard cross-connections.
Key Features
- Compact Design: Extremely compact and approximately 70% lighter than traditional backflow preventer designs.
- Robust Construction: Features a 304 (Schedule 40) stainless steel housing and sleeve for durability.
- Easy Maintenance: Equipped with replaceable check disc rubber and torsion spring check modules for ease of serviceability.
- Efficient Flow: Link check modules provide the lowest pressure loss for optimal performance.
- Secure Shutoff: Includes drip tight grooved gear operated butterfly valves with a tamper switch.
- Relief Valve: Integrated bottom mounted stainless steel pressure relief valve.
- Installation Flexibility: Approved for horizontal N pattern installation.
NOTICE: The information contained herein is not intended to replace the full product installation and safety information available or the experience of a trained product installer. You are required to thoroughly read all installation instructions and product safety information before beginning the installation of this product.
Specifications
- Product Type: Reduced Pressure Zone Backflow Preventer
- Series: Maxim™
- Nominal Size: 3 inch
- Housing Material: 304 (Schedule 40) Stainless Steel
- Sleeve Material: 304 (Schedule 40) Stainless Steel
- Shutoff Valves: Grooved Gear Operated Butterfly Valves with Tamper Switch
- Check Modules: Torsion Spring, Link Type
- Relief Valve: Bottom Mounted Stainless Steel
- Installation Pattern: Horizontal N Pattern
- Connection Type: Grooved
FAQs
What is the primary function of this backflow preventer assembly?
What materials are used in the construction of this backflow preventer?
Can this backflow preventer be installed in any orientation?
What type of shutoff valves are included with this assembly?
How does this assembly compare in size and weight to traditional backflow preventers?
Related Products
-
-
Item Number: 7019628
Ames® 2 1/2" –10" 400/500 Lead Free Air Gap Drain Fitting w/ Splash Guard
Regular price $253.88On Order