I have a heatilator nd3630 direct vent installed with horizontal termination no elbow.
Direct vent pipe sealant.
Rutland seal it right direct vent appliance sealant creates a strong tight gasket seal that resists both acidity and temperature fluctuations.
Direct vent systems are balanced pressure systems acquiring intake air from outside the dwelling while exhausting combustion gases through the sealed flue.
Paintable when dry air cure.
885 tropi cool 100 silicone seam and repair roof sealant.
Does not promote rust when applied to bare metal.
Ul 2112 tested and listed metal fab direct vent products are designed for safety strength and reliability generating a product that lasts a lifetime.
An excellent sealant for use on wood pellet corn and gas stoves and vent pipe.
I read a bit about high temp caulk materials but can t seem to find that at the local home depot.
What s the recommendation for sealing the leak.
As part of msc industrial.
1100 degree f peak operating temperature 900 degree f continuous.
Odor free formula is rated for high temperatures up to 800 f.
Precision design and construction of the 430 stainless steel flue eliminate the need for gaskets and reduce leaks enhancing product dependability and safety.
Excellent for sealing of the firebox and venting joints.