14
Rinnai Tankless Water Heater Installation and Operation Manual
Product
Product Description
Image
DPS/MIS Switch
Part #: REU-OPU3
The Domestic Priority Switch (DPS) func
-
tion provides domestic hot water priority
for combined tankless water heater and air
handler use.
The Maintenance Indication Switch (MIS)
function enables tankless water heater
monitoring via programs such as Building
Management System (BMS).
Isolation Valve
Part #: MIVK-T-LW
Isolation valves provide the ability to iso
-
late the water heater from the
structure’s plumbing system and allow
quick and easy access to flush the heat
exchanger.
Dedicated Return
Valve
Part #: 107000450
Valve kit including tee, drain valve, check
valve and isolation valve to simplify set-up
of a dedicated recirculation line.
Wall Mounting
Bracket
Part #: 109000628
Optional accessory for mounting the
water heater to the wall.
Cold Weather Kit
Part #: REColdKit
Electric heater, bottom pipe cover, and
insulation panels for use with Pipe Cover
(Part #: PCD09-SHS)
Leak Detection Kit
Part #: RELeakKit
Pipe cover drain pan and float switch for
use with Pipe Cover (Part #: PCD09-SHS)
Battery Backup
Part #: R-UPS350A
Tankless battery backup system, 500VA/
350W uninterrupted power supply (UPS),
Hot water usage of 1 hour per day with
sufficient power for 5-7 days.
Recirculation Pump
Part #: GTK03U
A pump system can be incorporated with
Rinnai Circ-Logic recirculation technology
in a dedicated recirculation system.
