What should the temperature be on a Rinnai RL 94?

Your RL 94 with the MC-91-2US controller is not intended to operate above 120 degreesF. Operating temperatures above 120 degrees are intended for commercial use, as far as Rinnai is concerned. To obtain these higher temps (120 – 140) Rinnai requires the use of the MCC-91 series controller.

Why does my Rinnai Water Heater have code 10?

Remove burner and inspect copper fins in heat exchanger for a build up between fins. This will cause air flow restrictions which can lead to code 10’s. If build up is present, you will need an air compressor capable of delivering 120 psi of air to blow out the burner and heat exchanger fins.

How to troubleshoot a Rinnai tankless air unit?

Turn off gas valve feeding the appliance. Unplug igniter wire; hold the igniter wire with an insulated pair of pliers about a 1/4″ from a piece of metal. Cycle the unit to ensure you see a spark when unit is cycling.

What does error code 49 on Rinnai Water Heater mean?

Rinnai error code 49 can be found on some Rinnai tankless water heater models like the RHFE 1004. The error code 49 means there is a problem with the pressure sensor. Check for loose connections and damaged or broken parts. Clean and remove any build-ups or obstructions.

What does the Rinnai error code 79 mean?

Rinnai error code 79 means the sensor detected a water leak. To fix the Rinnai error code 79, ensure the leak sensor and piping are in good condition and there are no damaged or loose connections. To fix the Rinnai error code 79, ensure the leak sensor and piping are in good condition and there are no damaged or loose connections.

What does the Rinnai error code 14 mean?

Rinnai error code 14 indicates a problem with either the thermal fuse, the thermal switch, or the PCB wiring. The Rinnai error code 14 doesn’t guarantee that your Rinnai is overheating. You may need to clean the filter, replace the thermal fuse, parts of the PCB wiring, or the PCB itself.

Is the Rinnai rl94 tankless water heater programmable?

For higher demanding homes where higher flow and power is needed, Rinnai RL94 models can use the EZConnect cable to connect two units. Rinnai RL94 tankless water heaters are equipped with a 24-hr programmable digital controller for extra convenience and diagnostics.

Which is the best Rinnai hot water system?

Rinnai’s super high-efficiency models offer sleek design, maximum output and an array of features ideal for the hot water demands of large homes. For small- to medium-sized new homes or remodels, Rinnai’s high-efficiency models are affordable, compact units you can count on.

How often should I Have my Rinnai Water Heater serviced?

There are two types of periodic maintenance that your service technician should perform to keep your Rinnai tankless water heater in top shape. It’s important to note, the time in between necessary maintenance will depend on the water quality in your home. 1. The in-line screen filter should be checked periodically for debris and cleaned. 2.

Is the Rinnai r85i water line still working?

I ordered this unit to replace the failing Rinnai R85i that came originally with our house. Swap was straight forward as the original water and gas lines lined up with the new unit. After 5 weeks the replacement is working without issue. New unit was being sold as refurbished (approx 150 less than new) but appeared to be an unopened return.

What’s the default temperature on a Rinnai Water Heater?

For your safety, Rinnai tankless water heaters come with a maximum temperature default setting of 120℉ to help prevent scalding. However, by following these simple steps, you can increase the temperature to 140℉ if you choose. Flow the six (6) step process to adjust your temperature: 1. Unplug the unit.