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Thread: HD 765 U 120 or 208 Volt Space Heater

  1. #1
    Sergeant Major Weller's Avatar
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    Default HD 765 U 120/208 Volt Space Heater

    So I was digging around in my Shop Dragon Missile Maintenance (I call her The Dragon) shelter today and finally cleaned the dirt off of a box that's bolted to the floor. I had originally thought it was a dehumidifier and never bothered with it. I discovered it's an electric space heater.

    Did some searching and came up with nothing on this site or via google. Looks to be in great condition.

    It's made by Wickes Industries in Camden, NJ. Here's the data plate...

    W-20190510_172434.jpg

    HD-765/U Heater, Space, Electric

    The shelter is made by York Astro, a division of Wickes. It's an S-435/GSM-216

    Seen one of these before?

    Update: I mistook this for 120vac or 208v, didn't read the data plate correctly.
    Last edited by Weller; 05-13-2019 at 00:53. Reason: Mistake on Voltage
    O Lord, won't you buy me a diesel Humvee. My friends all drive Teslas, that won't work for me. Worked hard all my lifetime, no help from the DMV. So Lord, won't you buy me a diesel Humvee.

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    I got curious seeing I couldn't find any info online about these heaters. Removed the unit and took photos for future reference. It's a model 768.

    Looks like it was wired 208 (4 wire) with a standard 2 wire setup to a Honeywell thermostat (was an old mercury model).

    I took it apart, cleaned with compressed air, put it back together and wrapped it in plastic for the summer. Come fall I'll put a switch on it and begin testing function.

    20190511_104238.jpg 20190511_110453.jpg 20190511_110520.jpg 20190511_111052.jpg 20190511_112629.jpg

    If I come across a manual I'll post a link. Will make a great shop heater, especially if I can wire it up off my 803a using 3 phase 208.
    O Lord, won't you buy me a diesel Humvee. My friends all drive Teslas, that won't work for me. Worked hard all my lifetime, no help from the DMV. So Lord, won't you buy me a diesel Humvee.

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    This was a pretty common heater in the repair vans, and commo vans. I will see if I have the TM. Might get lucky.

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    Weller (05-13-2019)

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    Checked my heater disk, no joy. Found one very similar, 15K BTU, but 28 VDC.

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    Thank you. I'll come back to it in the fall. I'll wire it up and test in the shop on a breaker and switch. Should be easy since it came with plugs and thermostat wiring.
    O Lord, won't you buy me a diesel Humvee. My friends all drive Teslas, that won't work for me. Worked hard all my lifetime, no help from the DMV. So Lord, won't you buy me a diesel Humvee.

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    I've been looking all over for those power supply cords but had no luck. Glad yours came with one!

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    I was kind of surprised they are 14 gauge wire. When I get it back out I'll post close ups along with part numbers for the connectors and a wiring diagram for plug and thermostat.
    O Lord, won't you buy me a diesel Humvee. My friends all drive Teslas, that won't work for me. Worked hard all my lifetime, no help from the DMV. So Lord, won't you buy me a diesel Humvee.

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    smokem joe (05-15-2019)

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    I figured out the wiring hookup, but just have some butt connectors slipped over the heater side right now. Would like to find the correct plug

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    4 Star General Guyfang's Avatar
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    Quote Originally Posted by smokem joe View Post
    I figured out the wiring hookup, but just have some butt connectors slipped over the heater side right now. Would like to find the correct plug

    For what equipment are you looking for a power cable?

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    Enviornmental Systems S9160-18KH-3

    Same one you acquired the TM for.

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