Gas Boiler Services

• The Burner Smokes or Soots Heavily: Black soot around the boiler or on vents signals incomplete combustion, often from a dirty burner, incorrect air/fuel ratio, or a cracked heat exchanger.
• A Persistent Oil Odor: This could indicate a leak in the fuel line, at the tank, or at the burner assembly—a potential safety hazard.
• Frequent Need to Reset the Primary Control (the red button): The burner keeps locking out due to a flame failure or over-temperature condition.
• Rising Fuel Consumption: You're ordering oil more often for the same level of comfort, a sure sign of declining efficiency.
• Rust-Colored Water or Leaks: Signs of internal corrosion or failing seals at pumps and valves.

Our Specialized Oil Boiler Services

Expert Repair & Troubleshooting:

• Burner Nozzle & Electrode Service: Cleaning, alignment, and replacement of the critical components that atomize and ignite the oil.
• Fuel Pump & Filter Replacement: Ensuring clean oil is delivered at the correct pressure for a clean burn.
• Cad Cell Eye & Primary Control Diagnostics: Fixing the electronic components that prove the flame and control the burner cycle.
• Circulator Pump & Zone Valve Repair: Restoring hot water flow to your baseboards or radiators.
• Heat Exchanger Inspection & Cleaning: Checking for cracks and performing power flushing to remove damaging sludge.
• Chimney & Vent Inspection: Critical for safe drafting of combustion gases.

Comprehensive Annual Tune-Up & Maintenance:

This is not optional; it's essential for safety, efficiency, and longevity. Our tune-up includes:

• Combustion Efficiency Test & Adjustment (using a combustion analyzer).
• Smoke Test & Draft Measurement.
• Nozzle, Filter, and Strainer Replacement.
• Full System Cleaning & Safety Inspection.
• We provide an efficiency percentage reading so you see the tangible results of our work.

Professional Installation & Replacement:

• High-Efficiency Oil Boiler Installation: Modern condensing oil boilers can achieve efficiencies over 86% AFUE, significantly reducing fuel consumption.
• System Replacement Planning: We handle the full scope, including integration with your existing radiation (baseboards/radiators), indirect water heater, and controls.
• Oil Tank Assessment & Coordination: We can assess your existing tank and coordinate with certified tank technicians for any necessary service or replacement.

Why Choose 551 HVAC for Your Oil Boiler?

• We Understand Combustion: Oil heat is a science. We don't just change parts; we measure smoke, draft, CO2, and stack temperature to tune your system for maximum efficiency and minimum waste.
• We Stock Critical Parts: Our trucks carry common oil burner components (nozzles, filters, cad cells, pumps) to resolve many issues on the first visit.
• We Prioritize Safety: We test for carbon monoxide and check for dangerous conditions like a cracked heat exchanger or blocked flue.

The Value of Maintaining Your Oil Boiler

• A neglected oil boiler is unsafe and wasteful. Proper annual service:
• Prevents Costly Breakdowns during the heating season.
• Reduces Fuel Consumption by 5-10% or more, paying for itself.
• Extends the System's Life by preventing corrosive soot and sludge buildup.
• Ensures Safe Operation by verifying proper combustion and venting.

Trust Your Winter Comfort to the Oil Heat Specialists

Oil boilers are a proven, powerful heat source for our climate. With the right care, they provide decades of dependable warmth.