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GBR M Gauge


0-3″ w.c. range works with the majority of radon installations.

Outdoor rated enclosure.

Simple installation and setup.

Weather resistant system labels included.

2′ of tubing for connection to system pipe.

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