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Supplying Quality Pipe, Valves and Fittings with Services Built for Contractors and Industries

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  • Lochinvar

BRAND SPOTLIGHT
Lochinvar logo
High-efficiency boilers, water heaters, pool heaters, and commercial package systems engineered for residential and commercial hot water solutions.
Since 1939, Lochinvar has delivered energy-efficient hot water and space heating equipment built for system designers, installing contractors, engineers, and facility professionals. From condensing boilers and commercial water heaters to pool heaters, storage tanks, and rough-in accessories, Lochinvar continues to support residential, commercial, and industrial heating systems across North America.
1939
Founded
85+
Years of Innovation
Pro
Contractor Focused
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Lochinvar Crest condensing boiler with Hellcat combustion technology
FEATURED PRODUCT
Crest® Condensing Boiler with Hellcat™
Flagship commercial condensing gas-fired boiler delivering up to 96.2% thermal efficiency with smart-sensing combustion technology that auto-adapts to temperature, barometric pressure, and load changes for the highest seasonal efficiency in its class.
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OVERVIEW
Lochinvar hot water solutions built for contractors and facilities
Lochinvar manufactures commercial and residential boilers, condensing and tankless water heaters, heat pump water heaters, pool and spa heaters, storage tanks, and a broad range of options and accessories used across residential, commercial, and industrial projects. Headquartered in Lebanon, Tennessee, and part of A. O. Smith Corporation, Lochinvar supports professionals with energy-efficient equipment engineered for application flexibility, sophisticated controls, and long-term system performance.

Lochinvar's portfolio spans flagship commercial boiler families including Crest® (with Hellcat™ combustion), FTXL™, Knight® XL, and Noble®, giving contractors access to jobsite-tested condensing solutions across key heating categories.
Water & Steam Boilers
Water & Steam Boilers
Water Heaters
Water Heaters
Storage Tanks
Storage Tanks
Boiler Controls
Boiler Controls
Boiler Accessories
Boiler Accessories
Circulating Pumps
Circulating Pumps
Expansion Tanks
Expansion Tanks
Heater Parts & Accessories
Heater Parts & Accessories
FEATURED ITEMS
Lochinvar commercial condensing gas-fired boilers
Crest with Hellcat
Lochinvar Crest condensing boiler with Hellcat combustion technology
Crest® Condensing Boiler with Hellcat™
Flagship commercial condensing gas-fired boiler with up to 96.2% thermal efficiency and smart-sensing combustion technology that auto-adapts to load, temperature, and barometric changes.
Series:Crest® (Hellcat™)
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FTXL Fire Tube
Lochinvar FTXL FTX850N-M9 commercial natural gas fire tube boiler
FTXL™ FTX850N-M9 Commercial Boiler
Natural gas fire tube condensing boiler, 121,500–850,000 BTU/HR input, up to 10:1 turndown, with SMART SYSTEM™ control and CON-X-US® remote connectivity.
MPN:FTX850N-M9
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Knight XL
Lochinvar Knight XL KBN801-M9 commercial natural gas condensing boiler
Knight® XL KBN801-M9 Commercial Boiler
Natural gas condensing heating boiler, 160,000–800,000 BTU/HR input, 94% thermal efficiency, stainless steel water tube heat exchanger, with SMART SYSTEM™ control and CON-X-US® connectivity.
MPN:KBN801-M9
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Need help finding the right Lochinvar solution?
Browse the Macomb Group catalog for contractor-grade boilers, water heaters, pool heaters, storage tanks, and boiler controls designed to keep projects moving.
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Lochinvar products include

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Boiler Accessories

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Boiler Gauge

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CPVC Fittings Adapter

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Circulating Pump

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Expansion Tank

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Flow Switch

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Gas Cock Valve

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Heater Parts & Accessories

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Ignition Controls & Modules

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Pressure Switch

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Relays

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Relief Valve

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Solenoids

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Storage Tank

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Transformers

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Water & Steam Boiler

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Water Heater

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Water Heater Accessories

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Divisions

  • Energy Division
  • Fabrication Services Division
  • Fire & Fabrication Division
  • Fusion & Specialty Plastics Division
  • Gas Distribution Utilities Division
  • Government Services Division
  • Heating Division
  • Hose Division
  • Instrumentation Division
  • Insulation Division (Bondy)
  • Lined Pipe Division
  • Midstream Oil & Gas Division
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Reorder past items, check live pricing, and confirm stock without leaving the job. The Macomb Group app works just like the website,

only faster.

The Macomb Group
The Macomb Group