Hi there. This is probably not your usual Rinnai code 12 post.... I have a Rinnai V75IP propane tankless hot water heater that I bought new 3 1/2 months ago, in June. I hired a …

I have a Rinnai tankless water heater that is about 3.5 years old. It's recently started intermittently throwing a code 12.

Hi, I have a Rinnai water heater (RUC80i) that worked fine for 5 years but trouble started right after the 5-year mark. It is 5 years and 6 months old now.

Rinnai also sent over a new burner because they figured they would have been compromised from incorrect installation. So now we have a new gas line, new flu, new exhaust tank, and …

Discover why your Rinnai gas heater shows error code 12. Get expert answers and solutions to common issues in our comprehensive Q&A page.

The installer increased the line sizes, checked all the regulators, and I personally checked the pressure coming into the unit and get a solid 12.69 inches of water column, which in the …

The 2 Rinnai R94LSi LPG water heaters that are 6 years old. I just purchased the house in January so I have no previous history on how long this problem has been an issue.

Feb 1, 2021 · Is that enough. The unit is a Rinnai RCE-329a Natural gas ventless heater. The part I tested is RC-511-66-1. I believe this part was used in some of their older tankless water …

Rinnai RHFEFA-P errors out w/ 11 or 12 code. Most often when the flash water heater runs, but not always. Flash water

We have a 4 year old Rinnai RL94 tankless water heater in our attic. Had been running fine since we purchased the house last November.