Rinnai RUR98e (REU-KBP3237WD-US) Installation Manual download pdf (Page 20)

20 KBP Series Manual

Tankless Water Heaters with PVC/CPVC venng must be congured with intake air and exhaust vent using

piping and methods described in this secon. Each water heater must have its own intake and vent. DO NOT

common vent with any other appliance using this method. Inspect nished vent and intake air piping thoroughly

to ensure all are airght and comply with the instrucons provided and with all requirements of applicable

codes. Failure to provide a properly installed vent and air system will cause personal injury or death.



-The combuson air intake terminaon ng must be installed with the clearances and

geometry relave to the exhaust (vent) depicted in this secon to ensure that ue products do not enter the

combuson air intake. Ensure that the intake air will not contain any of the contaminants as outlined in the

“” secon of this manual. Contaminated intake air will damage the water

heater, resulng in possible property damage, personal injury, or death.

 - The exhaust (vent) terminaon ng must be installed with the clearances and geometry relave to

the combuson air pipe as depicted in this secon to ensure that ue products do not enter the combuson air

intake



The installaon must conform with local codes or, in the absence of local codes, with the Naonal Fuel Gas

Code, ANSI Z223.1/NFPA 54, or the Natural Gas and Propane Installaon Code, CSA B149.1.  use

cellular core PVC, CPVC, Radel, ABS, or galvanized material for the exhaust vent. Vents  be of solid core

pipes ONLY.



Use only the materials listed in this manual for vent, combuson air intake pipe, and ngs (See “Vent and Air

Piping” table) . Failure to comply with this warning could result in property damage, personal injury, or death.



If used, a masonry chimney can  be used as a for the exhaust and combuson air intake

pipes. The exhaust and air piping must be installed as instructed in this manual. The chimney chase must be

used only for the Rinnai Water Heater(s) vent chase. appliance or replace can be connected to the

chimney chase. Exhaust and air piping materials must comply with this instrucon. The chimney chase must be

ed with a sealed access opening to facilitate interior inspecon. The chimney chase (and liner, if installed) to

be inspected annually for any degradaon. Failure to comply could result in property damage, personal injury,

or death.



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Rinnai RUR98e (REU-KBP3237WD-US) Installation Manual Page 20