Boiler Maintenance & Service

Boiler Service and Repair

A.J. LeBlanc Heating provides award winning boiler service. Our knowledgeable service professionals can fix the most stubborn boiler issues all while offering the highest level of customer service. A.J. LeBlanc Heating does not have commissioned technicians so they will never sell you something you do not need. If your boiler is leaking we suggest that you shut off both the power and water and give us a call immediately. Our experienced plumbers and service technicians will solve your boiler problems quickly which means you will save drastically on labor costs. If you require emergency boiler service you can contact our on-call technician at 603-623-0412.

Boiler Maintenance, Cleanings & Tune-ups

A.J. LeBlanc Heating's service technicians are licensed HVAC professionals. Our HVAC technicians are proficient in the maintenance of all residential boilers and forced hot water systems. In order to ensure efficient operation we recommend that homeowners have their oil boilers or gas boilers cleaned at least once per year. Regular boiler cleanings increase operating efficiency and reduce the risk of a more costly boiler service call.

Boiler Maintenance Routine

  • Boiler cleaning - return the boiler to factory fresh condition(Gas & Oil Boilers)
  • Inspect all system components - helps prevent unexpected repairs and breakdowns. (Gas & Oil Boilers)
  • Inspect all flow check valves, zone valves, pressure relief valves, circulator pumps, auto-fill valves, air scoops, spiral vents, expansion tanks, circulator pump controls, zone valve controls and hy-vents(Gas & Oil Boilers)
  • Preform a safety inspection of your boiler, flue, venting and draft assembly. (Gas & Oil Boilers)
  • Preform a CO Test & a Digital Computer Combustion Analyzer Test (Gas & Oil Boilers)
  • Check for CO leaks at boiler (Gas & Oil Boilers)
  • Check all modes of thermostat operation (Gas & Oil Boilers)
  • Check all boiler electrical components and electrical connections (Gas & Oil Furnaces)
  • Check all safety sensors and switches (Gas & Oil Furnaces)
  • Test domestic hot water temperatures - ensures water temperatures are within a safe / legal range. (Gas & Oil Boilers)
  • Adjust and clean the burner - this will reduce your energy costs by giving you the most efficient burn. This also reduces waste emission, which is good for the environment. (Gas & Oil Boilers)
  • Replace oil filter & pump strainer (Oil Boilers)
  • Replace oil nozzle - set combustion for optimal efficiency (Oil Boilers)

Common Boiler Issues

  • Tripped Breaker (Please verify before you call us)
  • No Oil (Please verify before you call us)
  • No Gas (Please verify before you call us)
  • Dead Thermostat Batteries (Please verify before you call us)
  • Frozen Pipes
  • Sludge Buildup
  • Low Water Pressure
  • Clogged Oil Filter or Oil Line
  • Leaking Boiler Components
  • Leaking Heat Exchanger
  • Noisy Radiators
  • Failed Radiators
  • Failed Zone Valve
  • Failed Zone Control Board
  • Failed Oil Burner
  • Failed Gas Burner
  • Failed Aquastat
  • Failed Thermocouple
  • Failed Power Venter
  • Failed or Tripped Safety Switch
  • Improper or Shorted System Control Wiring
  • Improper or Shorted System Power Wiring

A.J. LeBlanc Heating's Boiler Installations

Our Boiler Installations

Steam Boiler

Weil-Mclain steam boiler service and maintenance

Oil Boiler

Oil boiler cleaning and service

Boiler Maintenance

Boiler annual maintenance and preventative repairs

Boiler Service

Boiler service and repair

Boiler Indirect

Boiler water heater service

Wall Hung Boiler

Wall hung boiler service and repair

Get in Touch

Please fill out the form below to email us and we will get back to you as soon as possible.

Contact Info

A.J. LeBlanc Heating Inc

Address: 45 South River Road Bedford, NH 03110


M-F Day: 8:00am-4:30pm

M-F Night: Emergency Service

Local NH Contractor