Dual Fuel Gas Train – Allows real-time cutover from natural gas to propane by rotating the fuel selector switch and changing of logic sticks.

IRI Gas Train - Incorporates two safety shut-off valves in a single valve body with normally open vent valve.

Reduced NOx Levels - AERCO recommended calibration points can be re-set to support applications that require reduced NOx emissions levels of <12ppm. However, the unit's input rate, performance efficiency and venting requirements will change. Please consult the factory for assistance balancing your efficiency and environmental requirements.

Low Gas Pressure - For applications where the maximum available gas pressure is only 4" W.C., a de-rated configuration of the product is available at 1,750,000 BTU/hr.

Secondary Low Water Cut-Off (LWCO) - where required by building code. Secondary LWCO must be installed external to boiler.