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      Commercial Boilers

      Suitable for new construction or retrofit projects, our commercial boilers are small in size, but big on output.

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      Condensing Boilers

      • P-K MACH
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      Water Heaters

      Designed to reliably and economically meet peak demands with trouble-free performance, our water heaters are ideal for any building owner.

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      Direct Water Heaters

      • P-K SOLIS W-Series
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      • P-K COMPACT
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      • P-K EvoHP
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      Emerging Technology

      Where innovation meets sustainability in the commercial boiler industry. Join Patterson-Kelley at the forefront of climate-conscious heating with out emerging technologies.

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      • P-K EvoHP
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      Outdoor Solutions

      Created with space constraints in mind, Patterson-Kelley has made its industry-trusted solutions available for outdoor use. If it is on top of the penthouse or installed outside of the building, PK Outdoor Solutions can withstand the elements.

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      Fabricated Systems

      Modular packaged systems are ideal to achieve high levels of efficiency and maintain boiler reliability.

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      Controls

      Intelligent controls designed for optimum facility management.

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      • NURO
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      Replacement Bundles

      Enhance the longevity of your P-K Compact or legacy product with a tube bundle.

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      • P-K COMPACT Water Heater Bundles
      • Custom Bundles
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      Accessories

      Accessories for water heaters and boilers, including storage tanks and pumps.

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      • Water Heater Storage Tanks
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Home › Manuals & Warranties

Manuals & Warranties

ProtoNode Startup Guide
May 21st, 2025 by Patterson Kelley.

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C1500 C2000 C2500 C3000 C4000 Installation and Owners Manual (REV J)
April 24th, 2025 by Patterson Kelley.

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MACH n’ ROLL & MACH n’ ROLL Pool 300-1050 NURO Manual REV E
March 10th, 2025 by Patterson Kelley.

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PK Compact Manual
May 20th, 2024 by Patterson Kelley.

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Velox & MFD N750-N3000 Installation and Owners Manual
December 28th, 2023 by Patterson Kelley.

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CM300 CM399 CM500 C750 C900 C1050 Installation and Owners Manual
November 29th, 2023 by Patterson Kelley.

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SONIC SC650-SC1000 NURO Installation and Owners Manual
May 24th, 2023 by Patterson Kelley.

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P-K MFD 750-3000 Installation and Owners Manual
April 5th, 2023 by Patterson Kelley.

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MACH Specific Limited Warranty
February 10th, 2021 by Patterson Kelley.

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SONIC Specific Limited Warranty
February 10th, 2021 by Patterson Kelley.

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