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Napoleon

Napoleon Black High Temp Mill Pac Sealant | W573-0007

Napoleon Black High Temp Mill Pac Sealant | W573-0007

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Napoleon Black High Temp Mill Pac Sealant | W573-0007
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The Napoleon W573-0007 is black high temp Mill Pac, a high temperature sealant that Napoleon's gas fireplace installation manuals call for on vent connections. The Elevation X manual uses it to seal the exhaust flue collar and the joint between the inner flex pipe and the collar. It is not supplied with the fireplace, so installers order it separately.

Vent joint sealantHigh temperature
Exhaust flue collarWhere the manuals call for it
BlackMill Pac
Not suppliedWith the fireplace

Details

Part numberW573-0007
ProductBlack high temp Mill Pac sealant
UseSealing direct vent pipe joints and the exhaust flue collar, as the installation manual directs
Named inNapoleon Elevation X, Altitude X and Vector installation manuals
Alternative namedRed RTV high temp silicone, W573-0002, for vent pipe joints
Supplied with fireplaceNo
BrandNapoleon
Follow your fireplace's installation manual.The manual decides where sealant is required. Venting and the gas connection should be done by a licensed gas professional to the instructions and local codes.

Questions people ask us

Where does it go?

Napoleon's Elevation X manual says the exhaust flue collar must be sealed using Mill Pac, including the joint between the inner flex pipe and the collar, and that exhaust and intake vent pipe joints are sealed with W573-0002 red RTV high temp silicone or W573-0007 black Mill Pac.

Does it come with the fireplace?

No. Napoleon's manuals list it as not supplied, so it is ordered separately for the installation.

Can I use it on another brand of fireplace?

The appliance installation manual decides which sealant is approved. Send us your model and we will check it with you.

Not sure what your installation needs?

Send us the fireplace model and the vent kit you are using and we will help you build the parts list. Ask us here.

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Manuals and warranty

Napoleon manuals and warranty

Warranty terms come from Napoleon and depend on the product. Read the manual and the warranty for your model before you order.

Our warranty library· Elevation X Series installation manual (PDF)· Vector Series installation manual (PDF)
Not sure this is the right sealant? Tell us the fireplace model and venting you are installing and we will confirm what the manual calls for. No obligation either way.
Ask us before you order