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Hey Guys,

I always remember learning that when you install a gas furnace disonnect, it has to be before the furnace. I cannot find the rule anywhere? is there one, or is this just common practice.

Let me know
 

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scottysparky said:
hey guys, i always remember learning that when you install a gas furnace disonnect, it has to be before the furnace. I cannot find the rule anywhere? Is there one, or is this just common practice. Let me know
26-806(5)
 

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Hey Guys,

I always remember learning that when you install a gas furnace disonnect, it has to be before the furnace. I cannot find the rule anywhere? is there one, or is this just common practice.

Let me know
What do you mean by " before the furnace?" The disconnect should always be on the line side so I don't understand the question
 
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What do you mean by " before the furnace?" The disconnect should always be on the line side so I don't understand the question
The rule has to do with the physical location of the disconnect relative to the furnace and entry to the room. There needs to be a disconnect between the furnace and the door so you don't have to walk past the furnace to shut it down if there's an issue.
 

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The rule has to do with the physical location of the disconnect relative to the furnace and entry to the room. There needs to be a disconnect between the furnace and the door so you don't have to walk past the furnace to shut it down if there's an issue.
Thank you....:thumbsup:
 

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The rule has to do with the physical location of the disconnect relative to the furnace and entry to the room. There needs to be a disconnect between the furnace and the door so you don't have to walk past the furnace to shut it down if there's an issue.
I believe the location requirement is either in the gas code or the building code.
 

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(6) The disconnecting means shall be permitted to be a branch circuit breaker at the distribution panelboard,
provided that the panelboard is located between the furnace and the point of entry to the area where the
furnace is located.
(7) Where a separate switch is required due to the unsuitable location of the branch circuit breaker, it shall
(a) not be located on the furnace nor in a location that can be reached only by passing close to the furnace; and
(b) be marked to indicate the equipment it controls.
 
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