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Potter VSR-SG Vane Type Waterflow Alarm Switch with Retard and Glue-In Union, for CPVC Pipe 1" to 2"

Potter VSR-S Series Waterflow Alarm Switch for Small Pipe
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Key Features

  • Reliable sprinkler monitoring that trips at approximately 10 GPM, reducing risk to property and occupants
  • Adjustable pneumatic retard to prevent nuisance alarms and improve system reliability
  • Glue-in union design for quick installation in confined spaces on CPVC 1" to 2" pipe runs
  • Dual SPDT (Form C) contacts to support separate alarm and supervisory circuits for integrated monitoring
  • Rugged die-cast, NEMA 4 / IP54 housing with tamper-resistant cover for indoor/outdoor durability and code compliance

Quick Specifications

Product Model
VSR-SG
Brand Name
Potter Electric Signal, LLC
Product Name
VSR-S Series Waterflow Alarm Switch for Small Pipe
Product Type
Waterflow Switch
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VSR-SG

Overview

Ensure dependable sprinkler system monitoring with the Potter Electric Signal VSR-SG vane type waterflow alarm switch. Designed specifically for CPVC systems using 1" to 2" pipe sizes, the VSR-SG provides fast, reliable detection of sprinkler flow (actuates around 10 GPM) while protecting against nuisance trips with an adjustable, instantly recycling pneumatic retard. The compact glue-in union makes installation straightforward in tight or confined spaces and simplifies maintenance on retrofit or new builds. Equipped with two SPDT snap-action switches and rated up to 175 PSI, this waterflow switch supports separate alarm and supervisory circuits for integrated building monitoring, fire alarm interfacing, and security systems. The die-cast enclosure and NEMA 4/IP54 rating deliver outdoor-capable durability, and the tamper-resistant cover helps secure critical low-voltage components from unauthorized access. Ideal for fire protection contractors, building managers, and system integrators who need reliable flow detection for sprinkler and security monitoring applications. Specify the Potter VSR-SG to strengthen your fire alarm, security, and building surveillance monitoring—order today to protect assets and occupants.

Features

  • Reliable sprinkler monitoring that trips at approximately 10 GPM, reducing risk to property and occupants
  • Adjustable pneumatic retard to prevent nuisance alarms and improve system reliability
  • Glue-in union design for quick installation in confined spaces on CPVC 1" to 2" pipe runs
  • Dual SPDT (Form C) contacts to support separate alarm and supervisory circuits for integrated monitoring
  • Rugged die-cast, NEMA 4 / IP54 housing with tamper-resistant cover for indoor/outdoor durability and code compliance
16 of 16 specifications
Technical specifications for Potter VSR-SG Vane Type Waterflow Alarm Switch with Retard and Glue-In Union, for CPVC Pipe 1" to 2"
General Information
Brand Name Potter Electric Signal, LLC
Manufacturer Potter Electric Signal, LLC
Product Name VSR-S Series Waterflow Alarm Switch for Small Pipe
Product Type Waterflow Switch
Product Model VSR-SG
Product Series VSR-S
Application/Usage Indoor, Outdoor
Country of Origin US
Manufacturer Part Number VSRSG
Physical Characteristics
Depth 3.5"
Width 5.6"
Height 3.9"
Material Die-cast
Warranty
Limited Warranty 5 Year
Miscellaneous
Compatibility Potter Electric Wet Sprinkler Systems
Indoor/Outdoor Indoor, Outdoor

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SKU:
VSR-SG
Manufacturer part:
VSR-SG
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Returns require an approved RMA. Consult the linked return policy for deadlines and eligibility. For standard non-defective returns, eligible factory-sealed items carry a 15% restocking fee and customer-paid return shipping; open-box and used items are refused. Defective and DOA claims follow the policy's separate terms. Special orders and other exclusions are final sale.

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Potter VSR-SG Vane Type Waterflow Alarm Switch with Retard and Glue-In Union, for CPVC Pipe 1" to 2"

VSR-SG

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