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TDLR Boiler Safety – AGS Mini Merlin

Designed in accordance with TAC 16 Code for Carbon Monoxide Detection

A Carbon Monoxide (CO) detector and interlock system is newly required for boilers installed in boiler rooms on or after September 1, 2020, which will significantly reduce deaths and injuries resulting from CO Poisoning.

The Mini Merlin exceeds the requirements set out in the 16 Texas Administrative Code (TAC) Chapter 65, Implement Texas Health and Safety Code Chapter 755, Boilers.

The Mini Merlin is a dual gas sensor carefully designed and tested to monitor Natural Gas – Methane (CH4) and Carbon Monoxide (CO) in the air. If there is a dangerous build-up of gas or unsafe levels of carbon monoxide at the sensor, this device can shut off the gas supply via a gas safety valve and/or a gas fire appliance.

This device has additional features for resetting systems, as well as audible and visual alarms – it can also be integrated with a Building Management System (BMS).  For further information on our Mini Merlin refer to our datasheets or alternatively contact our offices today.

Product Description

Each boiler room containing one or more boilers from which carbon monoxide can be produced shall be equipped with a carbon monoxide detector with a manual reset.

(1) The carbon monoxide detector and boiler(s) shall be interlocked to disable the burners when the measured level of CO rises above 50ppm.

(2) The carbon monoxide detector shall disable the burners upon loss of power to the detector.

(3) The carbon monoxide detector shall be calibrated in accordance with the manufacturer’s  recommendations or every eighteen months after installation of the detector. A record of calibration shall be posted at or near the boiler, or be readily accessible to an inspector.

(4) The requirements in this subsection apply to boiler rooms in which need installations or re-installations of one or more boilers are completed on or after September 1, 2020.’

AGS supply gas solenoid valves ranging from 3/8″ to 8″.

Merlin Gas Solenoid Valves 120VAC
Merlin4INF Solenoid Valve Product Datasheet
Merlin6INF Solenoid Valve Product Datasheet

**OTHER SIZES ARE AVAILABLE UPON REQUEST. CONTACT AMERICAN GAS SAFETY OR YOUR LOCAL REPRESENTATIVE FOR FURTHER INFORMATION.