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Williamson 5 in 1 anyone know the model number of the outdoor units

GWGW Posts: 2,985Member
Any 1980's guys out there that know the model number on a Williamson 5 in 1?

My utility has a small kicker when we are downsizing. The name plate vanished years ago. Old system was a 30 amp and new system is a 20 amp, so my grand assumption is the we are smaller, hence the incentive through mass save
Gary Wilson
Wilson Services, Inc
Northampton, MA
www.wilsonph.com
[email protected]

Comments

  • Stephen MinnichStephen Minnich Posts: 2,011Member
    edited May 25
    I don't but I wish I did. I just did a search on the 5 in 1 and there's very little information out there. I was looking for PDF files specifically but no luck.

    This is the furnace I wanted when I started out but was living in an apartment at the time. I'm happy to say that I installed at least a couple of those.

  • GBartGBart Posts: 386Member
    I don't know but you jogged my memory, worked on one once with a line set that had a plastic suction line., those old pre charged line sets.
  • newagedawnnewagedawn Posts: 549Member
    good luck, they just completely fell off the planet, nothing, nowhere, what size supply duct? that could give you a cfm to run some numbers
    "The bitter taste of a poor install lasts far longer than the JOY of the lowest price"
  • John MillsJohn Mills Posts: 829Member
    Outdoor unit would be 7420-xx-xxxx. The 2 digits in the middle tell the size. 25 is 2.5 ton, 03 is 3 ton for example.
  • GWGW Posts: 2,985Member
    Thanks all, turns out the homeowner had the name plate filed away in the house. Who woulda thunk
    Gary Wilson
    Wilson Services, Inc
    Northampton, MA
    www.wilsonph.com
    [email protected]
  • John MillsJohn Mills Posts: 829Member
    7320, that's a heat pump
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