Which Rinnai heaters does this vent kit fit?

It is made for Rinnai condensing tankless models that use a two-pipe plastic vent system. Check your model's installation manual before buying, because non-condensing and older units use different venting.

Can I install it myself?

The vent termination itself mounts with basic tools, but gas appliance venting must meet clearance, slope and sealing rules. Most manufacturers and local codes expect a licensed installer for the full job.

Does it work with a vertical roof termination?

This is a sidewall termination. Roof and vertical runs use different Rinnai vent components, so match the kit to your planned route.

What is included in the kit?

It is the vent termination assembly for the outdoor wall, not a full vent run. You still need the correct length of Rinnai vent pipe, elbows and supports for your installation.

Why use a genuine Rinnai kit instead of a generic one?

Rinnai specifies its own venting for warranty coverage and safe operation. A mismatched aftermarket termination can fail inspection or void the warranty.