Installation Guide

14 Rinnai Tankless Water Heater Installation and Operation Manual
Numerous optional accessories are available for purchase for your Rinnai Tankless Water Heater.
Listed below are some commonly purchased accessories. For a complete list of accessories, visit
www.rinnai.us. For questions, or to purchase an accessory, contact your local Rinnai dealer/
distributor or Rinnai Customer Care at 1-800-621-9419.
Table 4. Accessories
Product Product Description Image
Isolation Valve Kit
• Part #: MIVK-T-LW
Isolation valves provide the ability to
isolate the water heater from the
structure’s plumbing system and allow
quick and easy access to flush the
heat exchanger. Rinnai strongly
recommends use of these valves for
service and maintenance.
Outdoor Vent Cap
• Part #: RXOVC
Allows the water heater to be installed
outdoors.
BLE Push Button
• Part #: RPB02
Mounted in a convenient location, such
as a kitchen faucet or bathroom sink,
the BLE push button works without the
Wi-Fi Module to operate the tankless
water heater recirculation system by
pushing the button.
Thermal Bypass Valve
• Part #: 107000143
The thermal bypass valve can be
installed between a cold water pipe and
a hot water pipe to run recirculation
without a dedicated return line.
Condensate Neutralizer
• Part #: 804000074
Neutralizes the condensate generated
by the water heater.
Wi-Fi Module (and
Accessories)
• Part #: RWM101
Controls On-Demand recirculation,
remotely adjust temperatures, and
communicates with the service provider
portal. The module and MC-195T-US
controller are not compatible
accessories and must not be installed
together.
Additional Controllers
• Part #: MC-601-BK,
MC-601-W, or MC-
195T-US
Additional controllers are available for
user convenience.
Pipe Cover
• PCD11-IB
Encloses the piping below the water
heater for aesthetic purposes.
Recess Box
• Part #: RGBCTWHRX
Allows a water heater to be recessed
into a wall. A vent adapter is provided
with the recess box.
Pressure
Relief
Valve