Rinnai Tankless Water Heater: Show live flow and outlet temperature on the KCM controller
Show live flow and outlet temperature on the KCM controller on a Rinnai tankless water heater: Information mode on the MC-601-US shows water flow and outgoing temperature.
Applies to: Rinnai KCM tankless (RUCS65i/75i, RUS65e/75e)
How to fix show live flow and outlet temperature on the kcm controller: step by step
- Press and hold Down for 2 seconds and, without letting go, press On/Off. Repeat the same press to leave.
- Press Up or Down until 01 shows: the water flow follows in 0.1 gal/min (58 means 5.8 gal/min).
- Press Up or Down until 02 shows: the outgoing water temperature follows in °F.
If the unit shows an error code, look it up: Rinnai Tankless Water Heater codes
Source: Rinnai KCM Series Manual (U328-0700X04), p.56. Written in our own words as a summary; always check the original manual.
General guidance for qualified technicians. The manufacturer's installation and service manual and local codes always take priority. Aurora Star Tech is not affiliated with, endorsed by or sponsored by any equipment manufacturer; brand and model names are used only to identify equipment and belong to their owners.