3 C400Z-NRS-FS

Item Number: F0191301
1 1
$7,116.74
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When Will it Ship: Contact for Lead Time
Estimated transit time: 2 to 5 Business Days

Brand - Ames
  • Nominal Size: 3 inch
  • Weight: 197.0 lb
  • Lead Free: Wetted surface contains less than 0.25% lead.
  • Housing Material: Type 304 (Schedule 40) stainless steel.
  • Shutoff Valves: Non-rising stem (NRS) resilient seated gate valves.
  • Flood Detection: Integrated SentryPlus Alert® technology.
  • Installation: Horizontal Z pattern configuration.
  • Design: Extremely compact for small enclosures.
  • Maximum Working Pressure: 175 psi.

Description

This 3 inch Colt C400Z-NRS-FS Reduced Pressure Zone backflow preventer is designed for horizontal Z-pattern installation to protect potable water systems from contamination. It prevents reverse flow due to backsiphonage or backpressure in continuous pressure piping applications. Constructed with a lead-free Type 304 stainless steel body and non-rising stem resilient seated gate valves, it offers durability and ease of service. A key feature is the integrated flood sensor with SentryPlus Alert® technology, which detects excessive relief valve discharges and can relay alerts when paired with an add-on connection kit for BMS, cellular, or Wi-Fi integration. Item number F0191301.

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Flood Sensor Connectivity

This backflow preventer includes an integrated flood sensor with SentryPlus Alert® technology designed to detect excessive water discharges from the relief valve. To activate the sensor's communication and alert features, an add-on connection kit is required.

  • Sensor Control Monitor: Enables integration with Building Automation Systems (BAS) via RS-485 Modbus or the Nexa® platform through Wi-Fi.
  • Other Options: Add-on connection kits are also available for BMS and cellular communication to relay multichannel alerts (call, email, text).

Without an add-on connection kit, the flood sensor functions as a passive component and will not communicate with external devices.

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Additional Details

This Colt™ 3 inch lead free reduced pressure zone backflow preventer assembly is designed to prevent the reverse flow of fire protection substances and non-potable water into the potable water supply due to backsiphonage and/or backpressure. It is approved for horizontal Z pattern installation and is ideal for continuous pressure piping applications and cross-connections identified as health hazards.

Construction & Design

  • Features a Type 304 (Schedule 40) stainless steel housing and sleeve with a quick access sleeve.
  • Includes two independent Link Check modules with torsion spring checks for unmatched ease of serviceability and lowest pressure loss.
  • Equipped with resilient seated gate valves featuring non-rising stem (NRS) shutoff valves.
  • Designed with groove couplings for easy installation and integral pipeline adjustment.
  • Replaceable check disc rubber ensures reliable performance.
  • Extremely compact design allows for smaller enclosures compared to traditional designs.

Flood Detection & Alerts

  • Contains an integrated flood sensor with SentryPlus Alert® technology to detect excessive water discharges from the relief valve.
  • When paired with an add-on connection kit, the sensor activates to relay alerts for potential flooding events.
  • Add-on connection kit options include BMS, cellular communication, and the Sensor Control Monitor which integrates with BAS via RS-485 Modbus or the Nexa® platform through Wi-Fi.

NOTICE: An add-on connection kit is required to activate the flood sensor's communication features. Without the connection kit, the flood sensor is a passive component and will not communicate with any other device.

Specifications

General

  • Product Type: Reduced Pressure Zone Backflow Preventer
  • Nominal Size: 3 inch
  • Connection Type: Groove End Connections
  • Configuration: Z Pattern Horizontal
  • Lead Content: Wetted surface contains less than 0.25% of lead by weight

Materials

  • Housing & Sleeve: Type 304 (Schedule 40) Stainless Steel
  • Elastomers: EPDM, Silicone, Buna 'N'
  • Link Checks: Noryl®, Stainless Steel
  • Check Discs: Reversible Silicone or EPDM
  • Test Cocks: Lead Free Bronze Body
  • Pins & Fasteners: 300 Series Stainless Steel
  • Springs: Stainless Steel
  • Shutoff Valves: Non-Rising Stem (NRS) Resilient Seated Gate Valves

Performance

  • Temperature Range: 33°F - 140°F (0.5°C - 60°C)
  • Maximum Working Pressure: 175 psi (12.1 bar)
  • Flood Sensor: Integrated with SentryPlus Alert® Technology

Dimensions & Weight (Approximate)

  • Overall Length (A): 31 3/4 inch (806 mm)
  • Length of Main Body (C(NRS)): 18 7/8 inch (479 mm)
  • Overall Height (H): 30 1/4 inch (768 mm)
  • Overall Width (G): 22 1/4 inch (565 mm)
  • Product Weight: 147 lb (67 kg)

Certificates & Approvals

  • Approved By: Foundation for Cross-Connection Control and Hydraulic Research at The University of Southern California (FCCCHR-USC)
  • Certification: AWWA C511-97
  • Certification: ASSE 1013
  • Certification: CSA B64.4
  • Certification: NSF/ANSI 61-G

FAQs

What is the primary purpose of this backflow preventer?

This backflow preventer is designed to protect potable water systems from contamination by preventing the reverse flow of non-potable substances due to backsiphonage or backpressure, especially in health hazard applications and continuous pressure piping.

What are the key materials used in the construction of this backflow preventer?

The housing and sleeve are constructed from Type 304 (Schedule 40) stainless steel. It features Noryl® and stainless steel link checks, and reversible silicone or EPDM check discs. All wetted surfaces contain less than 0.25% lead.

How does the integrated flood sensor work?

The flood sensor with SentryPlus Alert® technology detects excessive water discharges from the relief valve. When an add-on connection kit (sold separately) is connected, the sensor can relay alerts via BMS, cellular communication, or Wi-Fi to notify personnel of potential flooding.

What type of shutoff valves does this assembly use?

This assembly is equipped with non-rising stem (NRS) resilient seated gate valves. These valves provide drip-tight shutoff capabilities.

Can this backflow preventer be installed in any orientation?

No, this specific model (C400Z-NRS-FS) is approved for horizontal Z pattern installation only. Proper installation according to the flow arrow and local codes is required.