Vent Kit Installation Manual
Table Of Contents
Installation
Concentric Horizontal Vent Kit – 6 720 812 236 (2014/05)
5
Fig. 2
[1] Termination
[2] Direction of flue discharge
[3] Plume deflector
3.2 Appliance Adapter
Use the blind cover and gasket supplied with the kit to close the second
combustion air opening on the top of the appliance ( Fig. 6).
Fig. 3 Covering second combustion air opening
Discard original appliance adapter that was supplied with the tankless
water heater. If the unit came with a combustion air adapter, discard as
well.
The adapter gasket has a circular grove to engage with the vent pipe of
the appliance.
▶ Place it onto the pipe and press down firmly.
Fig. 4 Installing adapter gasket
Set the appliance adapter down onto the pipe ensuring that the analyzer
ports are facing to the front of the appliance and the adapter screw holes
are aligning with those of the appliance.
Fig. 5 Installing adapter
▶ Insert the 4 screws, but do not tighten all the way.
3.3 Elbow and Wall Termination
▶ Apply a small amount of clean water as lubricant on all gaskets.