radiator flush service

Is there a conversion kit for a Humphrey Radiantfire natural gas heater's thermostat to an electronic one?

I have an old Radiantfire circulator heater, model 660, serial 660-1648. I cleaned it, painted it, and installed it in my new garage. It is 60,000 btu and works amazingly. But when it is on, even on the low setting, it keeps things at about 65 degrees.


I never heard of the brand. I guess you could get a line voltage stat and regulate it that way. You can look here http://www.grainger.com/Grainger/DAYTON- Line-Voltage-TStat-2NNR8?Pid=search or
something like this http://www.grainger.com/Grainger/WHITERO

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