Brand Repair Page
Burnham Boiler Repair in NYC
AM Profs Inc diagnoses and repairs Burnham cast iron steam and hot water boilers, plus condensing K2 series units, across New York City basements. If a pigtail loop is blocked, a gas valve has failed, or a condensing boiler is locking out, we start from the actual fault.
24/7 urgent repair is available for Burnham boilers, including weekends and holidays. A no-heat call affecting an entire building's steam or hot water heat is treated as urgent.
Covered Equipment
Cast iron steam boilers (Independence, V8 series)
Cast iron hot water boilers
Condensing boilers (K2 series)
Pigtail loops and pressure controls
Burnham operates its residential/light-commercial side as U.S. Boiler Company and its larger commercial side as Burnham Commercial — we service both product families.
Quick Answer
What is the most common Burnham repair issue in NYC?
The most common Burnham calls in NYC involve older cast iron steam boilers — blocked pigtail loops, failed Honeywell gas valves, and wet-based casting issues are frequent on the Independence and V8 series units common in residential basements. Newer condensing K2 series boilers see more conventional ignition and pressure-related lockouts.
Last updated: July 2026
Why Burnham Repairs Need Brand-Specific Service
Burnham began in 1905 in Lancaster, Pennsylvania, originally producing cast iron radiators and heating products before evolving into a modern boiler manufacturer — the same cast iron heritage that shows up throughout NYC's older basements today.
The brand is owned by Burnham Holdings, Inc., which operates the residential and light-commercial side under the name U.S. Boiler Company and the larger commercial side as Burnham Commercial.
What Makes The Brand Different
Old cast iron steam is a distinct repair discipline
Older Burnham cast iron steam boilers — the Independence and V8 series especially — are extremely common in NYC residential basements, and frequently need attention to blocked pigtail loops, failed Honeywell gas valves, or compromised wet-based casting as they age.
Newer condensing K2 series boilers use the IQ Control System to manage operation, ignition, and diagnostics — a different repair discipline from the older cast iron units, closer to conventional modern condensing boiler service.
Burnham Systems We Service
Common symptoms, likely causes, what we check first, and when to call for each system type.
Cast Iron Steam Boiler (Independence / V8 Series)
Common symptoms: Radiators aren't heating, banging or knocking pipes, or a leak near the boiler base.
Likely causes: Blocked pigtail loop, failed gas valve, low water level, or compromised wet-based casting.
What we check first: Pigtail loop condition, gas valve operation, water level, and casting integrity.
What work is done: Pigtail loop clearing, gas valve replacement, water level correction, and casting assessment.
When to call: As soon as radiators stop heating or pipes are banging loudly.
K2 Series Condensing Boiler
Common symptoms: Unit locks out, IQ Control displays a fault, or heating output has dropped.
Likely causes: Ignition fault, low system pressure, or a control board issue.
What we check first: Ignition sequence, system pressure, and IQ Control diagnostics.
What work is done: Ignition component service, pressure correction, and control board diagnostics.
When to call: As soon as the unit locks out repeatedly or heating output drops.
Frequently Asked Questions
Why do old Burnham steam boilers bang and knock?
This is often related to water level issues, blocked pigtail loops, or trapped condensate in the system — all of which affect how steam moves through the piping and can cause the banging noise.
What is a pigtail loop and why does it matter?
It's a small loop of pipe that protects the pressure control from direct steam contact. When it's blocked with sediment, the pressure control can't read the system accurately, which affects boiler cycling.
Is Burnham the same as U.S. Boiler Company?
U.S. Boiler Company is the residential and light-commercial operating name for Burnham Holdings — the larger commercial side operates as Burnham Commercial.
Do you service both old cast iron and new condensing Burnham boilers?
Yes, both are covered — older Independence/V8 cast iron steam units and newer K2 series condensing boilers.
What areas of NYC do you cover for Burnham repair?
We schedule Burnham repair across Manhattan, Brooklyn, Queens, and the Bronx.