Repair Heatilator Mark 123?

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L1744

New Member
Nov 25, 2019
2
WI
Hi, we have a Heatilator Mark 123 prefab fireplace, installed sometime around 1969. We had a fireplace company look at it but get the sense they just want us to install a new, energy efficient firebox and arent sure they really considered what we were asking.

We know the firebox is missing refractory panels, but have heard those can be ordered and cut to fit. We also are missing a damper but are wondering about after-market models. We know no parts are available from the manufacturer.

Does anyone know if these types of repairs are possible and safe? We arent interested in such a large project to replace if not necessary right now, and energy efficiency is not of primary concern as the room is very isolated from the rest of the home.
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Hi, we have a Heatilator Mark 123 prefab fireplace, installed sometime around 1969. We had a fireplace company look at it but get the sense they just want us to install a new, energy efficient firebox and arent sure they really considered what we were asking.

We know the firebox is missing refractory panels, but have heard those can be ordered and cut to fit. We also are missing a damper but are wondering about after-market models. We know no parts are available from the manufacturer.

Does anyone know if these types of repairs are possible and safe? We arent interested in such a large project to replace if not necessary right now, and energy efficiency is not of primary concern as the room is very isolated from the rest of the home.View attachment 252158View attachment 252156View attachment 252158
You need to use factory parts to repair it. If they are not available you really can't repair it
 
You need to use factory parts to repair it. If they are not available you really can't repair it

This may be a dumb question, but why do they sell after market parts if you cannot use them? What are they intended for? Thank you for the input.
 
This may be a dumb question, but why do they sell after market parts if you cannot use them? What are they intended for? Thank you for the input.
For people that don't care about following codes