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Williams Wall Heater Thermostat Troubleshooting Guide

Williams is an American Commercial company. It’s a leading seller of high-quality heating, ventilation, and air conditioning products (HVAC). All its products manufactured using advanced and numerically controlled machinery. It ensures that every product matches the precise standards at Williams.

Williams Wall Heater Thermostat

The company founded around 100 years back in 1916. It started by Jesse Williams who began building gas steam radiators in Los Angeles under the banner Williams Radiator Company. Currently, it’s under the parent company Continental Materials Corporation.

Williams has four wide criteria of products

  • Furnaces
  • Fan Coils
  • Integrated Piping System
  • Coolers (Phoenix Manufacturing)

Williams Wall Heater Features

Wall heaters are small electric heaters, which mounted on walls to heat individual rooms. Williams has a very attractive line of such Wall heaters. Below is a list of some of its compelling features, which make it a class apart:

  • They do not require any electricity.
  • It comes with an included Thermostat.
  • They are compact and save a lot of space.
  • It has a low installation and running cost, making it very economical.
  • Perfect for people looking for zone heating.
  • It comes with a matchless pilot ignition.
  • The Wall furnace includes a direct vent system.
  • It can work on Natural gas or Propane.
  • Its operation is very quiet, so it does not give off noises.
  • Its upgraded looks make it an attractive, durable, soft-white, scratch-resistant finish.  

Williams Wall Heater Common problems

Generally, the wall heating systems have a lifespan ranging from 10 to 20 years. As the equipment gets older, its efficiency can decrease dramatically. It also gets noisier and needs repairs more often. Some problems it faces during its lifetime are mentioned below. The process of troubleshooting is easier if the problems identified:

  • The heater starts blowing cold or cool air instead of warm. This can happen because of a dirty air filter or a leak in the duct system. In such a case any pilot light issues should be checked to see if the gas valve is on.
  • The device will not stay lit or will stop switching on completely. The sensor can become dirty and stop working.
  • Another common problem is if the heater does not switch off. The switch turned on auto instead of in the on position.
  • There can also be a problem with the thermostat. Sometimes the issue is very simple as a change of batteries.
  • The pilot light can also go out due to a faulty thermocouple.
  • In case the pilot orifice is dirty, it should be cleaned.
  • The Wall furnace fan can stop working altogether.

Tools Require To Troubleshoot Williams Wall Heater

If a person is attempting to troubleshoot the problem themselves, a few tools will be required. Below a list of tool which used for some basic DIY troubleshoot:

  • 8-12 inch adjustable wrenches, for opening nuts and bolts.
  • A flat head screwdriver.
  • A cleaning rag.
  • An owner’s manual
  • A flashlight or torch.

Ways to Troubleshoot Williams Wall Heater Thermostat

  • A Faulty Thermocouple
  • The thermocouple or the flame sensor is a safety valve that breaks off when the pilot goes off. It looks like a copper rod.
  • If it does not shut off, all the gas in the furnace can enter the house.
  • The power and gas valve should be shut off before any attempt at troubleshooting.
  • There were three reasons why a thermocouple stops working: it is broken, dirty or not lined up.
  • The pilot orifice is dirty
  • If the pilot light gets lighted, check the flame.
  • The light should be a solid blue, if it’s yellow then it is not strong enough for the furnace.
  • The pilot disassembled and cleaned properly.
  • Bad Gas Regulator
  • If there is an issue with the pilot, a bad regulator can be the cause.
  • Improper airflow, strong winds, etc. can cause this.

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  • If the Pilot light does not stay lit
  • If there is a blockage in the pilot tube, this can be the case.
  • Turn off the gas, clear the tube with compressed air and relight the pilot.
  • The thermostat or the grounded wire can also need replacement.
  • A professional service person called in such a case.
  • The furnace fan stops working
  • Check to see if the furnace circuit breaker has tripped.
  • If yes, then the time for a normal heating cycle should be reset.
  • The furnace filter checked and cleaned every month.

Williams Wall Heater Thermostat Troubleshooting Guide

  • Unit Turns On and Off Too Often
  • It signed of plants, curtains, or any other objects blocking the airflow to the unit.
  • It can also be an indication of a damaged thermostat or control switch.
  • In such a case, it gets replaced.
  • The unit does not get hot
  • Faulty heating elements or loose wire connections can cause this.
  • Check the wiring connections in the unit by removing them from the wall.
  • Tighten any loose or disconnected wires. If it is not working, call the repair person.
  • The heater has a burning smell
  • When the heating elements have any debris, hair, or dirt, they can wear out.
  • If the unit hasn’t been used for a while, it should be cleaned with a vacuum.

The furnace allowed to cool down before troubleshooting. Any clothing or combustible materials should not be allowed near the furnace. If the problem appears to be serious, call a professional service person.

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