GBR25-R Differential Pressure Gauge and Alarm


Vapor Intrusion and Radon System Alarm and Gauge

Measures pressures up to 40″ w.c.

Audible and visual alarm with adjustable set point

Plug and play operation*

Built-in alarm silence switch

Includes power supply and length of vacuum tubing for connection to riser pipe

Includes wiring for a second programmable relay


Available on backorder


GBR25 Gauge Alarm Specifications

GBR25 Selection Guide

GBR25-R / RT Programming Instructions

*Alarm factory configured to activate below 1″ w.c., 5 second display delay, engineering units display in. of water.  These settings can be re-programmed easily if needed.

Additional information

Weight 2 lbs
Dimensions 4.5 × 3.5 × 2 in


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