Brand Repair Page
Raypak Boiler & Pool Heater Repair in NYC
AM Profs Inc diagnoses and repairs Raypak copper-fin commercial boilers and pool heaters across New York City's space-constrained boiler rooms. If a Hi-Delta or XTherm unit needs descaling, or heat output has dropped, we start from the actual fault.
24/7 urgent repair is available for Raypak boilers and pool heaters, including weekends and holidays.
Covered Equipment
Copper-fin tube commercial boilers (Hi-Delta, XTherm)
Atmospheric hot water boilers
Residential and commercial pool heaters
Raypak's compact copper-fin boilers are favored in space-constrained NYC boiler rooms for building heating and domestic hot water.
Quick Answer
What is the most common Raypak repair issue in NYC?
The most common Raypak calls involve scaling and soot buildup on the copper heat exchanger fins, which requires diligent annual maintenance to prevent — the compact copper-fin design that makes these units space-efficient also means buildup affects performance faster than on bulkier cast iron equivalents if maintenance is skipped.
Last updated: July 2026
Why Raypak Repairs Need Brand-Specific Service
Raypak's founding technology has a genuinely interesting origin outside HVAC entirely: the company's copper-fin tube design used rapid heat-transfer technology originally developed for aircraft engine heaters during World War II, repurposed into a boiler design with a significantly smaller footprint and faster heat-up times than the cast-iron boilers of that era.
Al Whittle founded Raypak in 1947. Rheem Manufacturing Company acquired the brand in 1971 and continues to own it today, with Raypak operating within Rheem's broader commercial and pool-heating product lines.
What Makes The Brand Different
Compact but maintenance-sensitive
Raypak's copper-fin tube boilers are favored in space-constrained NYC boiler rooms because of their compact size compared to traditional cast-iron equipment, but that same design requires diligent annual maintenance to prevent scaling and soot buildup on the copper heat exchanger fins.
Skipping that annual maintenance is the most common cause of performance loss on these units — the copper-fin design is efficient specifically because of its thin heat-transfer surfaces, which are also more sensitive to buildup than thicker cast-iron equivalents.
Raypak Systems We Service
Common symptoms, likely causes, what we check first, and when to call for each system type.
Copper-Fin Commercial Boiler (Hi-Delta / XTherm)
Common symptoms: Heat output has dropped, unit short-cycles, or efficiency seems lower than expected.
Likely causes: Scaling or soot buildup on the copper heat exchanger fins, or an ignition fault.
What we check first: Heat exchanger scaling/soot level and ignition sequence.
What work is done: Heat exchanger descaling/cleaning and ignition component service.
When to call: As soon as heat output drops or the unit short-cycles.
Pool Heater
Common symptoms: Pool water isn't reaching set temperature, or the unit cycles unexpectedly.
Likely causes: Scaling on the heat exchanger, ignition fault, or a flow sensor issue.
What we check first: Heat exchanger condition, ignition sequence, and water flow.
What work is done: Descaling, ignition service, and flow sensor correction.
When to call: If pool water temperature isn't reaching setpoint despite the heater running.
Frequently Asked Questions
Why does my Raypak boiler need annual maintenance?
The copper-fin heat exchanger is efficient because of its thin heat-transfer surfaces, but that same design is more sensitive to scaling and soot buildup than thicker cast-iron equivalents — annual cleaning prevents performance loss.
Where did Raypak's copper-fin design come from?
It's based on rapid heat-transfer technology originally developed for aircraft engine heaters during World War II, adapted into a compact boiler design.
Who owns Raypak?
Rheem Manufacturing Company, which acquired the brand in 1971.
Do you service Raypak pool heaters as well as building boilers?
Yes, both are covered under this page.
What areas of NYC do you cover for Raypak repair?
We schedule Raypak repair across Manhattan, Brooklyn, Queens, and the Bronx.