Introducing the P-K Domestic STORM™ (650-1000)

Small Footprint, Big Performance


P-K's STORM™ Family Just Got EVEN Bigger!

Model Numbers Now Include:

-ST650, ST800, ST1000, ST1250, ST1500, ST1750, ST2000, ST2500, ST3000, ST3500, ST4000, ST5000, ST6000, ST8000

Welcome the newest additions of the P-K STORM™ models to the P-K product family. Patterson-Kelley is now introducing new STORM™ DST Models, hot water supply boiler or comfort boiler in the same package!

Our newest STORM models are available in both Natural Gas and Liquid Propane options, with field swappable kits available. Outdoor models are available as well, with natural gas models offering the same great 10:1 mechanical turndown and LP models in 5:1! Recirculation kits are available for instantaneous hot water demand. Order now, shipping end of August!  

P-K STORM™ Boiler Features

  • Up to 97% thermal efficiency
  • 316L Stainless steel coil ensures maximum corrosive resistance and durability
  • Full modulation burner with up to 10:1 mechanical turndown (5:1 on LP DST6500-1000)
  • Cabinet and heat exchanger design reduce repair and maintenance costs
  • Outdoor Capabilities
  • Variable speed combustion air blower
  • Certified at 3.5 inch Water Column minimum gas pressure on NG (5" for LP)
  • Low pressure drops across the unit
  • The compartmentalized design produces an efficiency of heat transfer in each section

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Heat Exchanger

The heat exchanger is designed to provide simplified and quick annual maintenance. This makes any maintenance, including cleaning, a quick and cost-effective process.

Mechanical Turndown

Our unique 10:1 mechanical turndown is the standard on all P-K STORM™ units (5:1 on LP DST650 - DST1000 models). Patterson-Kelley has achieved this higher turndown through a unique process that allows the gas valves to reliably turndown without adding excess air. This allows designers the ability to match input to building loads without sacrificing reliability or efficiency. nuro-800x800-9886d7d739-1

NURO® Touchscreen Control System

Our proprietary NURO® Control System is equipped standard on all P-K STORM™ boilers. Designed to maximize overall boiler efficiency, the NURO utilizes the most advanced technology available in a simple, yet intuitive interface. This ensures safe, efficient, and reliable boiler performance year-after-year. Using our app or any computer, you can view and manage your entire boiler room in minutes, from anywhere in the world.