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Author Topic: aquastat and high limit switch  (Read 2205 times)

hofmus

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  • OWF Model: 200
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aquastat and high limit switch
« on: October 26, 2013, 05:59:37 AM »
I'M GETTING READY TO FIRE MY HEATMOR 200 AND PUZZLED ABOUT AQUASTAT? IN MANUAL IT SHOWS AQUASTATS ON BACK OF OWB-A HIGH TEMP ANS A LOW TEMP SETTING. ON THE BACK OF MINE THERE IS A1 AQUASTAT AND TO THE RIGHT A HIGH LIMIT SHUT OFF SWITCH. SO THE QUESTION IS HOW DO I SET THE HIGH AND THE LOW?
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slimjim

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Re: aquastat and high limit switch
« Reply #1 on: October 26, 2013, 06:28:27 AM »
Check with Heatmor on what they will allow for high on the aquastat, you should be fine at 185, there will be a dial on the inside of the aquastat that gives you the differential, 15 degree diff will turn the blower on at 170 and off at 185, the high limit is simply a safety shutoff if the aquastat fails to shut the blower off then the high limit will kill the blower at its setpoint,195 ?
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Wood boiler sales, service and installation for the Northeastern USA.

hofmus

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Re: aquastat and high limit switch
« Reply #2 on: October 26, 2013, 06:20:22 PM »
thanks for the info you have been a great help.
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