Check Out Our Special Offers And Save Money

Coupons

Financing

Careers

Contact

Guides & Resources

Call Wolfgangs Cooling, Heating & Plumbing today!

4.9

on 1 792 Reviews

Your Boiler Troubleshooting and Maintenance Guide

Boilers are essential for keeping your home warm and sometimes providing hot water.  However, like any heating system, they require maintenance to function efficiently and prevent breakdowns. This Boiler Troubleshooting and Maintenance Guide will help you handle common boiler issues. We will also explain how to maintain your system properly, as well as when to call the professionals.

Routine Boiler Maintenance

  • Annual Boiler Servicing: Scheduling a professional annual inspection is crucial for ensuring safe and efficient boiler operation. A technician will check the gas pressure, flue, controls, and other key parts. Wolfgangs Cooling, Heating & Plumbing offers regular maintenance services to help keep your boiler running smoothly.
  • Pressure Check: Boiler pressure should generally be between 1-2 bars. If the pressure is too low or too high, it can affect the system’s efficiency. Adjust the pressure using the pressure relief valve or top up the system if needed.
  • Bleed Radiators: If some radiators in your home are not getting warm, they may need bleeding to release trapped air. Use a radiator key to open the valve until water starts flowing consistently.

Boiler Troubleshooting Tips

  • Boiler Not Heating Properly: If your boiler is on but not heating, check the thermostat settings. Additionally, confirm that the boiler’s pressure gauge is within the recommended range.
  • Gas Boiler Troubleshooting Guide: For gas boilers, ensure the pilot light is on. If it’s not, follow the manufacturer’s guide to relight it safely. If the light won’t stay lit, there may be an issue with the thermocouple, which requires a technician’s attention.
  • How to Troubleshoot a Boiler that’s Making Noise: If your boiler is making loud banging or gurgling sounds, it could be caused by air trapped in the system or an issue with the pump. Bleeding the radiators can help, but if noises persist, it’s time to call a professional.

Common Boiler Issues and Solutions

  • No Hot Water: If the boiler isn’t supplying hot water, check that the thermostat is working properly and that there isn’t an issue with the diverter valve. Diverter valves can become faulty over time and may need to be repaired or replaced.
  • Low Boiler Pressure: A common issue is low boiler pressure, which may cause the heating to stop working. To fix this, check for leaks in the system, and top up the pressure using the filling loop. If the pressure keeps dropping, call Wolfgangs to schedule an inspection to identify potential leaks or other issues.
  • Pilot Light Keeps Going Out: The pilot light may go out due to a draft, buildup of dirt, or an issue with the thermocouple. Follow the user manual to relight it safely, but if it keeps going out, it’s best to have a professional handle it.

How to Repair a Boiler (When to Call the Experts)

  • Faulty Thermostat: If your boiler isn’t responding to the thermostat, replace the batteries or check that the thermostat settings are correct. If the problem persists, you may need a replacement thermostat.
  • Water Leaks: Leaks are a sign of internal component failure, such as a broken seal or valve. If you notice a water leak, turn off the system and contact Wolfgangs Cooling, Heating & Plumbing for repair services to prevent further damage.
  • Frozen Condensate Pipe: During winter, the condensate pipe that carries condensation from the boiler can freeze. This prevents the boiler from functioning properly. If this happens, you can thaw the pipe by pouring warm (not boiling) water over it. If you’re not comfortable doing this, contact a technician.

Wolfgangs Cooling, Heating & Plumbing – Professional Boiler Services

Wolfgangs has been serving the Phoenix area for over 40 years, offering expert installation, repair, and maintenance services. With certified Trane Comfort Specialists and NATE-certified technicians, you can trust that your boiler is in good hands. Regular professional servicing will keep your boiler efficient, extend its lifespan, and help avoid breakdowns.

How to Fix a Boiler Issue Safely

While some basic boiler maintenance tasks can be handled by homeowners, like checking the thermostat and pressure, others require a professional touch. Handling gas or electrical components improperly can be dangerous. Wolfgangs offers 24/7 emergency services to keep your home warm and comfortable.

Contact us today to schedule preventative maintenance or if your boiler isn’t working correctly. Keeping up with regular servicing and addressing boiler problems early will ensure your boiler runs reliably and efficiently all year round.

Back to Guides & Resources

Google Certified Company

Find Us On Google

Our Service Areas

Proudly Serving Phoenix and the East Valley in Arizona

Prescott Valley

3071 N Robert Rd #D
Prescott Valley, AZ 86314
Get Directions

Our Prescott Valley location proudly serves:

  • Chino Valley
  • Cordes Junction
  • Dewey
  • Mayer
  • Prescott
  • Prescott Valley
  • Spring Valley

Tempe

2441 W Erie Dr
Tempe, AZ 85282
Get Directions

Our Tempe location proudly serves:

  • Ahwatukee
  • Casa Grande
  • Cave Creek
  • Chandler
  • Chandler Heights
  • Fountain Hills
  • Gainey Ranch
  • Gilbert
  • Maricopa
  • Mesa
  • McCormick Ranch
  • Paradise Valley
  • Phoenix
  • Queen Creek
  • San Tan Valley
  • Scottsdale
  • Tempe
  • Val Vista Lakes