Owner's Manual

ManualsBrandsRinnai Tankless ManualsCommercial Tankless Water HeatersRinnai 9.8 GPM Commercial Indoor Liquid Propane Tankless Water Heater with 199,000 BTU Input and Isolation Valves from the C199 Series

C199 Manual 29

Installaon of PVC/CPVC Vent and Intake Air Piping:



Note the correct posion of the combuson air inlet and gas ue outlet, as these are  interchangeable. For

the correct posion and design of the twin pipe gas ue outlet and combuson air inlet refer to the installaon

instrucons in this manual.



The C199 series units do not require addional parts to be used with standard 3” 3rd party solid core PVC/

CPVC pipes; refer to gure below for required parts for 3” PVC/CPVC assembly conguraon.



Conversely, the C199 series units require 2 addional (4”x 3” Flush – Schedule 40 PVC) bushing to be used with

4” PVC/CPVC assembly conguraon (refer to gure below).



Failure to correctly assemble the components according to these instrucons may result in property damage,

personal injury, or death.

3” standard - wall white

PVC/CPVC unthreaded pipe

(SCH 40 sold core)

3” SCH 40 PVC/CPVC Elbows

(female unthreaded socket ends)

Exhaust

Combuson Air

Exhaust Adapter Ring





Intake Cap





Components by others

(displayed as example),

not included with unit

Included with