Tag: state-water-heater

All the articles with the tag "state-water-heater".

• State Water Heater E15 Error Code - Causes & Fix

  31 May, 2026

  E15 on State tankless water heaters signals a venting or airflow fault blocking combustion. Most often a blocked air intake screen.

• State Water Heater Error Codes — Complete Guide

  22 Apr, 2026

  State water heater error codes for gas, electric, and heat pump models. Decode LED flash codes and digital display errors to diagnose and fix your State water heater.