Tag: boiler

All the articles with the tag "boiler".

• Rinnai Error Code 12 — Causes & Fix

  22 Apr, 2026

  Troubleshoot Rinnai 12 on boilers and tankless water heaters with checks for gas, venting, sensors, pumps, ignition, and service limits.

• Rinnai Error Code 25 — Causes & Fix

  22 Apr, 2026

  Troubleshoot Rinnai 25 on boilers and tankless water heaters with checks for gas, venting, sensors, pumps, ignition, and service limits.

• Weil-McLain E02 Error Code — Causes & Fix

  22 Apr, 2026

  Troubleshoot Weil-McLain E02 on boilers and tankless water heaters with checks for gas, venting, sensors, pumps, ignition, and service limits.

• Rinnai Error Code 11 - No Ignition Fix

  9 Apr, 2024

  Rinnai error code 11 means the tankless water heater failed to ignite. This guide covers every cause and fix for the Rinnai Code 11 ignition failure.