Water Not Hot Enough

Replace Cracked Heat Exchanger and Repair Freeze Damage

Freeze / Cold Weather Damage

🚿 Rinnai RL94iN RL Series Tankless Water Heater· 2 fixes· 90% success

Upgrade Gas Line and Test Gas Pressure with Manometer

Gas Supply Insufficient

🚿 Rinnai RL94iN RL Series Tankless Water Heater· 2 fixes· 90% success

Install Check Valve on Hot Water Outlet to Prevent Backflow

Hot/Cold Water Crossover from Fixtures

🚿 Rinnai RL94iN RL Series Tankless Water Heater· 2 fixes· 90% success

Install Buffer Tank and Configure Recirculation System

Cold Water Sandwich Effect

🚿 Rinnai RL94iN RL Series Tankless Water Heater· 2 fixes· 90% success

Professional Descale and Install Water Softener System

Scale / Lime Mineral Deposits in Heat Exchanger

🚿 Rinnai RL94iN RL Series Tankless Water Heater· 2 fixes· 90% success

Scale Buildup — Maintenance Required

🚿 Rinnai RL94iN RL Series Tankless Water Heater· 2 fixes· 90% success

Perform a Professional Heat Exchanger Descale and Inspection

Electronic Control Board Failure

🚿 Rinnai RL94iN RL Series Tankless Water Heater· 2 fixes· 90% success

Water Flow Control Failure

🚿 Rinnai RL94iN RL Series Tankless Water Heater· 2 fixes· 90% success

Bypass Servo Valve Failure

🚿 Rinnai RL94iN RL Series Tankless Water Heater· 2 fixes· 85% success

Gas Proportional Valve Failure

🚿 Rinnai RL94iN RL Series Tankless Water Heater· 2 fixes· 90% success

Flush and Descale the Heat Exchanger to Remove Scale Buildup

Abnormal Temperature Rise

🚿 Rinnai RL94iN RL Series Tankless Water Heater· 2 fixes· 90% success

Combustion Air Temp Sensor Failure

🚿 Rinnai RL94iN RL Series Tankless Water Heater· 2 fixes· 88% success

Test and Replace the Combustion Air Temperature Sensor

Heating Circuit Sensor Failure

🚿 Rinnai RL94iN RL Series Tankless Water Heater· 2 fixes· 85% success

Test and Replace the Heating Circuit Temperature Sensor

Outgoing Thermistor Failure

🚿 Rinnai RL94iN RL Series Tankless Water Heater· 2 fixes· 90% success

Inlet Thermistor Failure

🚿 Rinnai RL94iN RL Series Tankless Water Heater· 2 fixes· 90% success

Condensate Drain Blockage

🚿 Rinnai RL94iN RL Series Tankless Water Heater· 2 fixes· 90% success

Flush Heat Exchanger and Test/Replace Outlet Thermistor

Over Temperature

🚿 Rinnai RL94iN RL Series Tankless Water Heater· 2 fixes· 85% success

Thermal Fuse Activated

🚿 Rinnai RL94iN RL Series Tankless Water Heater· 2 fixes· 90% success

Replace the Thermal Fuse and Inspect Flow Components

Replace Cracked Heat Exchanger and Repair Freeze Damage

Freeze / Cold Weather Damage

🚿 Rinnai V75iN Value Series Tankless Water Heater· 2 fixes· 90% success

Upgrade Gas Line and Test Gas Pressure with Manometer

Gas Supply Insufficient

🚿 Rinnai V75iN Value Series Tankless Water Heater· 2 fixes· 90% success

Install Check Valve on Hot Water Outlet to Prevent Backflow

Hot/Cold Water Crossover from Fixtures

🚿 Rinnai V75iN Value Series Tankless Water Heater· 2 fixes· 90% success

Install Buffer Tank and Configure Recirculation System

Cold Water Sandwich Effect

🚿 Rinnai V75iN Value Series Tankless Water Heater· 2 fixes· 90% success

Professional Descale and Install Water Softener System

Scale / Lime Mineral Deposits in Heat Exchanger

🚿 Rinnai V75iN Value Series Tankless Water Heater· 2 fixes· 90% success

Scale Buildup — Maintenance Required

🚿 Rinnai V75iN Value Series Tankless Water Heater· 2 fixes· 90% success

Perform a Professional Heat Exchanger Descale and Inspection

Electronic Control Board Failure

🚿 Rinnai V75iN Value Series Tankless Water Heater· 2 fixes· 90% success

Water Flow Control Failure

🚿 Rinnai V75iN Value Series Tankless Water Heater· 2 fixes· 90% success

Bypass Servo Valve Failure

🚿 Rinnai V75iN Value Series Tankless Water Heater· 2 fixes· 85% success

Gas Proportional Valve Failure

🚿 Rinnai V75iN Value Series Tankless Water Heater· 2 fixes· 90% success

Flush and Descale the Heat Exchanger to Remove Scale Buildup

Abnormal Temperature Rise

🚿 Rinnai V75iN Value Series Tankless Water Heater· 2 fixes· 90% success

Combustion Air Temp Sensor Failure

🚿 Rinnai V75iN Value Series Tankless Water Heater· 2 fixes· 88% success

Test and Replace the Combustion Air Temperature Sensor

Heating Circuit Sensor Failure

🚿 Rinnai V75iN Value Series Tankless Water Heater· 2 fixes· 85% success

Test and Replace the Heating Circuit Temperature Sensor

Outgoing Thermistor Failure

🚿 Rinnai V75iN Value Series Tankless Water Heater· 2 fixes· 90% success

Inlet Thermistor Failure

🚿 Rinnai V75iN Value Series Tankless Water Heater· 2 fixes· 90% success

Condensate Drain Blockage

🚿 Rinnai V75iN Value Series Tankless Water Heater· 2 fixes· 90% success

Flush Heat Exchanger and Test/Replace Outlet Thermistor

Over Temperature

🚿 Rinnai V75iN Value Series Tankless Water Heater· 2 fixes· 85% success

Thermal Fuse Activated

🚿 Rinnai V75iN Value Series Tankless Water Heater· 2 fixes· 90% success

Replace the Thermal Fuse and Inspect Flow Components

Replace Cracked Heat Exchanger and Repair Freeze Damage

Freeze / Cold Weather Damage

🚿 Rinnai RU130iN Sensei Super High Efficiency Plus Tankless Water Heater· 2 fixes· 90% success

Upgrade Gas Line and Test Gas Pressure with Manometer

Gas Supply Insufficient

🚿 Rinnai RU130iN Sensei Super High Efficiency Plus Tankless Water Heater· 2 fixes· 90% success

Install Check Valve on Hot Water Outlet to Prevent Backflow

Hot/Cold Water Crossover from Fixtures

🚿 Rinnai RU130iN Sensei Super High Efficiency Plus Tankless Water Heater· 2 fixes· 90% success

Install Buffer Tank and Configure Recirculation System

Cold Water Sandwich Effect

🚿 Rinnai RU130iN Sensei Super High Efficiency Plus Tankless Water Heater· 2 fixes· 90% success

Professional Descale and Install Water Softener System

Scale / Lime Mineral Deposits in Heat Exchanger

🚿 Rinnai RU130iN Sensei Super High Efficiency Plus Tankless Water Heater· 2 fixes· 90% success

Scale Buildup — Maintenance Required

🚿 Rinnai RU130iN Sensei Super High Efficiency Plus Tankless Water Heater· 2 fixes· 90% success

Perform a Professional Heat Exchanger Descale and Inspection

Electronic Control Board Failure

🚿 Rinnai RU130iN Sensei Super High Efficiency Plus Tankless Water Heater· 2 fixes· 90% success

Water Flow Control Failure

🚿 Rinnai RU130iN Sensei Super High Efficiency Plus Tankless Water Heater· 2 fixes· 90% success

Bypass Servo Valve Failure

🚿 Rinnai RU130iN Sensei Super High Efficiency Plus Tankless Water Heater· 2 fixes· 85% success

Gas Proportional Valve Failure

🚿 Rinnai RU130iN Sensei Super High Efficiency Plus Tankless Water Heater· 2 fixes· 90% success

Flush and Descale the Heat Exchanger to Remove Scale Buildup

Abnormal Temperature Rise

🚿 Rinnai RU130iN Sensei Super High Efficiency Plus Tankless Water Heater· 2 fixes· 90% success

Combustion Air Temp Sensor Failure

🚿 Rinnai RU130iN Sensei Super High Efficiency Plus Tankless Water Heater· 2 fixes· 88% success

Test and Replace the Combustion Air Temperature Sensor

Heating Circuit Sensor Failure

🚿 Rinnai RU130iN Sensei Super High Efficiency Plus Tankless Water Heater· 2 fixes· 85% success

Test and Replace the Heating Circuit Temperature Sensor

Outgoing Thermistor Failure

🚿 Rinnai RU130iN Sensei Super High Efficiency Plus Tankless Water Heater· 2 fixes· 90% success

Inlet Thermistor Failure

🚿 Rinnai RU130iN Sensei Super High Efficiency Plus Tankless Water Heater· 2 fixes· 90% success

Condensate Drain Blockage

🚿 Rinnai RU130iN Sensei Super High Efficiency Plus Tankless Water Heater· 2 fixes· 90% success

Flush Heat Exchanger and Test/Replace Outlet Thermistor

Over Temperature

🚿 Rinnai RU130iN Sensei Super High Efficiency Plus Tankless Water Heater· 2 fixes· 85% success

Thermal Fuse Activated

🚿 Rinnai RU130iN Sensei Super High Efficiency Plus Tankless Water Heater· 2 fixes· 90% success

Replace the Thermal Fuse and Inspect Flow Components

Replace Cracked Heat Exchanger and Repair Freeze Damage

Freeze / Cold Weather Damage

🚿 Rinnai RSC160iN Condensing Combi Boiler· 2 fixes· 90% success

Upgrade Gas Line and Test Gas Pressure with Manometer

Gas Supply Insufficient

🚿 Rinnai RSC160iN Condensing Combi Boiler· 2 fixes· 90% success

Install Check Valve on Hot Water Outlet to Prevent Backflow

Hot/Cold Water Crossover from Fixtures

🚿 Rinnai RSC160iN Condensing Combi Boiler· 2 fixes· 90% success

Install Buffer Tank and Configure Recirculation System

Cold Water Sandwich Effect

🚿 Rinnai RSC160iN Condensing Combi Boiler· 2 fixes· 90% success

Professional Descale and Install Water Softener System

Scale / Lime Mineral Deposits in Heat Exchanger

🚿 Rinnai RSC160iN Condensing Combi Boiler· 2 fixes· 90% success

Scale Buildup — Maintenance Required

🚿 Rinnai RSC160iN Condensing Combi Boiler· 2 fixes· 90% success

Perform a Professional Heat Exchanger Descale and Inspection

Electronic Control Board Failure

🚿 Rinnai RSC160iN Condensing Combi Boiler· 2 fixes· 90% success

Water Flow Control Failure

🚿 Rinnai RSC160iN Condensing Combi Boiler· 2 fixes· 90% success

Bypass Servo Valve Failure

🚿 Rinnai RSC160iN Condensing Combi Boiler· 2 fixes· 85% success

Gas Proportional Valve Failure

🚿 Rinnai RSC160iN Condensing Combi Boiler· 2 fixes· 90% success

Flush and Descale the Heat Exchanger to Remove Scale Buildup

Abnormal Temperature Rise

🚿 Rinnai RSC160iN Condensing Combi Boiler· 2 fixes· 90% success

Combustion Air Temp Sensor Failure

🚿 Rinnai RSC160iN Condensing Combi Boiler· 2 fixes· 88% success

Test and Replace the Combustion Air Temperature Sensor

Heating Circuit Sensor Failure

🚿 Rinnai RSC160iN Condensing Combi Boiler· 2 fixes· 85% success

Test and Replace the Heating Circuit Temperature Sensor

Outgoing Thermistor Failure

🚿 Rinnai RSC160iN Condensing Combi Boiler· 2 fixes· 90% success

Inlet Thermistor Failure

🚿 Rinnai RSC160iN Condensing Combi Boiler· 2 fixes· 90% success

Condensate Drain Blockage

🚿 Rinnai RSC160iN Condensing Combi Boiler· 2 fixes· 90% success

Flush Heat Exchanger and Test/Replace Outlet Thermistor

Over Temperature

🚿 Rinnai RSC160iN Condensing Combi Boiler· 2 fixes· 85% success

Thermal Fuse Activated

🚿 Rinnai RSC160iN Condensing Combi Boiler· 2 fixes· 90% success

Replace the Thermal Fuse and Inspect Flow Components

Replace Cracked Heat Exchanger and Repair Freeze Damage

Freeze / Cold Weather Damage

🚿 Rinnai RE180iN RE Series Non-Condensing Tankless Water Heater· 2 fixes· 90% success

Upgrade Gas Line and Test Gas Pressure with Manometer

Gas Supply Insufficient

🚿 Rinnai RE180iN RE Series Non-Condensing Tankless Water Heater· 2 fixes· 90% success

Install Check Valve on Hot Water Outlet to Prevent Backflow

Hot/Cold Water Crossover from Fixtures

🚿 Rinnai RE180iN RE Series Non-Condensing Tankless Water Heater· 2 fixes· 90% success

Install Buffer Tank and Configure Recirculation System

Cold Water Sandwich Effect

🚿 Rinnai RE180iN RE Series Non-Condensing Tankless Water Heater· 2 fixes· 90% success

Professional Descale and Install Water Softener System

Scale / Lime Mineral Deposits in Heat Exchanger

🚿 Rinnai RE180iN RE Series Non-Condensing Tankless Water Heater· 2 fixes· 90% success

Scale Buildup — Maintenance Required

🚿 Rinnai RE180iN RE Series Non-Condensing Tankless Water Heater· 2 fixes· 90% success

Perform a Professional Heat Exchanger Descale and Inspection

Electronic Control Board Failure

🚿 Rinnai RE180iN RE Series Non-Condensing Tankless Water Heater· 2 fixes· 90% success

Water Flow Control Failure

🚿 Rinnai RE180iN RE Series Non-Condensing Tankless Water Heater· 2 fixes· 90% success

Bypass Servo Valve Failure

🚿 Rinnai RE180iN RE Series Non-Condensing Tankless Water Heater· 2 fixes· 85% success

Gas Proportional Valve Failure

🚿 Rinnai RE180iN RE Series Non-Condensing Tankless Water Heater· 2 fixes· 90% success

Flush and Descale the Heat Exchanger to Remove Scale Buildup

Abnormal Temperature Rise

🚿 Rinnai RE180iN RE Series Non-Condensing Tankless Water Heater· 2 fixes· 90% success

Combustion Air Temp Sensor Failure

🚿 Rinnai RE180iN RE Series Non-Condensing Tankless Water Heater· 2 fixes· 88% success

Test and Replace the Combustion Air Temperature Sensor

Heating Circuit Sensor Failure

🚿 Rinnai RE180iN RE Series Non-Condensing Tankless Water Heater· 2 fixes· 85% success

Test and Replace the Heating Circuit Temperature Sensor

Outgoing Thermistor Failure

🚿 Rinnai RE180iN RE Series Non-Condensing Tankless Water Heater· 2 fixes· 90% success

Inlet Thermistor Failure

🚿 Rinnai RE180iN RE Series Non-Condensing Tankless Water Heater· 2 fixes· 90% success

Condensate Drain Blockage

🚿 Rinnai RE180iN RE Series Non-Condensing Tankless Water Heater· 2 fixes· 90% success

Flush Heat Exchanger and Test/Replace Outlet Thermistor

Over Temperature

🚿 Rinnai RE180iN RE Series Non-Condensing Tankless Water Heater· 2 fixes· 85% success

Thermal Fuse Activated

🚿 Rinnai RE180iN RE Series Non-Condensing Tankless Water Heater· 2 fixes· 90% success

Replace the Thermal Fuse and Inspect Flow Components

Replace Cracked Heat Exchanger and Repair Freeze Damage

Freeze / Cold Weather Damage

🚿 Rinnai RUR199iN Sensei Recirculating Tankless Water Heater· 2 fixes· 90% success

Upgrade Gas Line and Test Gas Pressure with Manometer

Gas Supply Insufficient

🚿 Rinnai RUR199iN Sensei Recirculating Tankless Water Heater· 2 fixes· 90% success

Install Check Valve on Hot Water Outlet to Prevent Backflow

Hot/Cold Water Crossover from Fixtures

🚿 Rinnai RUR199iN Sensei Recirculating Tankless Water Heater· 2 fixes· 90% success

Install Buffer Tank and Configure Recirculation System

Cold Water Sandwich Effect

🚿 Rinnai RUR199iN Sensei Recirculating Tankless Water Heater· 2 fixes· 90% success

Professional Descale and Install Water Softener System

Scale / Lime Mineral Deposits in Heat Exchanger

🚿 Rinnai RUR199iN Sensei Recirculating Tankless Water Heater· 2 fixes· 90% success

Scale Buildup — Maintenance Required

🚿 Rinnai RUR199iN Sensei Recirculating Tankless Water Heater· 2 fixes· 90% success

Perform a Professional Heat Exchanger Descale and Inspection

Electronic Control Board Failure

🚿 Rinnai RUR199iN Sensei Recirculating Tankless Water Heater· 2 fixes· 90% success

Water Flow Control Failure

🚿 Rinnai RUR199iN Sensei Recirculating Tankless Water Heater· 2 fixes· 90% success

Bypass Servo Valve Failure

🚿 Rinnai RUR199iN Sensei Recirculating Tankless Water Heater· 2 fixes· 85% success

Gas Proportional Valve Failure

🚿 Rinnai RUR199iN Sensei Recirculating Tankless Water Heater· 2 fixes· 90% success