Tag: boiler

All the articles with the tag "boiler".

• Lochinvar Boiler Error Code E01 — Causes & Fix

  Updated: 16 Sep, 2026

  Lochinvar E01 ignition-lockout guide for gas supply, hot-surface igniters, flame sensors, inducer sequence, pressure switches, and resets.

• Navien NCB Combi Boiler Error Codes - E003, E012, E351

  Updated: 16 Sep, 2026

  Navien NCB combi boiler code guide for ignition, flame loss, condensate pressure, low water pressure, fan faults, flow sensors, and 3-way valves.

• Weil-McLain E02 Ignition Failure

  Updated: 16 Sep, 2026

  Weil-McLain E02 boiler guide for ignition failure, lockout, igniter, flame sensor, gas valve, condensate, and reset limits.

• Navien Error Code E012 Flame Loss

  Updated: 16 Sep, 2026

  Navien E012 guide for flame loss during operation, gas-pressure drops, vent blockage, condensate backups, flame sensing, and pro repair limits.