P-K SOLIS® Firetube Condensing Boiler

Patterson-Kelley is excited to introduce their very first firetube boiler, the P-K SOLIS®! This top-of-the-line, highly efficient condensing boiler is designed to maximize comfort without sacrificing savings or floor space. Each P-K SOLIS® model features a unique geometric design that optimizes heat transfer, resulting in efficiencies of 97%, 10:1 mechanical turndown, and ultra-low NOx emissions.

Features:

725 – 3000 MBTU (Natural Gas)
Up to 97% thermal efficiency
10:1 mechanical turndown
316 SS tube and tube sheet
304 SS heat exchanger shell
Narrow footprint fits through a standard 36” doorway!
Hinged and removable doors allow for quick access to firetubes and burner for easy maintenance
Zero-clearance capable for side-by-side installation
The simple-to-use NURO® touch-screen technology adjusts boiler controls and settings with the swipe of a finger
Ultra-low NOx emissions

Models: SL725, SL850, SL1000, SL1500, SL2000, SL2500, and SL3000

Specification

10:1 Turndown Technology Increases Efficiency and Reduces Operating Cost
Patterson-Kelley has achieved higher turndown with a unique mechanical process that allows the gas valves to control boiler performance without increasing excess air. This results in building flexibility and efficiency.
This method delivers a 10:1 turndown rate while preserving a high dewpoint, which helps maintain high condensation levels. This higher turndown capability will provide designers the ability to match input to building loads without sacrificing efficiency and reliability.
NURO^® Touch-Screen Control System
All of our units are equipped with the most intuitive interface in the industry, the NURO® Touch-Screen Control. Designed to maximize efficiency, the NURO® Control System monitors and modulates the combustion and ignition of the boiler to maintain the desired outlet temperature.
Simplified Serviceability
The heat exchanger is designed to provide simplified and quick annual maintenance. The top of the heat exchanger opens, providing full access to the tubes and burner inside the unit. This makes any maintenance, including cleaning, a quick and cost-effective process.

Technical specification

Unique ref.p-k-solis-firetube-condensing-boiler
Product familyCommercial Boilers
Product groupCondensing Boilers
TypeObject (single object)
Date of publishing2026-01-07
Edition number1

Links

Product urlhttps://www.pattersonkelley.com/solutions/commercial-boilers/condensing-boilers/p-k-solis/
Technical descriptionhttps://www.pattersonkelley.com/uploads/2020/11/SOLIS-Brochure.pdf

Designed inUnited States
Manufactured inUnited States

Classification

BIMobject CategoryHVAC - Boilers
IFC classificationBoiler
ETIM CodeEG015210
ETIM NameBoilers and heaters
Uniclass 2015 CodePr_60_60_08
Uniclass 2015 DescriptionBoilers
CSI MasterFormat 2014 Code23 52 16
CSI MasterFormat 2014 TitleCondensing Boilers
OmniClass Number23-33 11 13
OmniClass TitleCondensing Boilers

Region availability

North America	Asia
Anguilla	South Korea
Antigua and Barbuda
Aruba
Barbados
Belize
Bermuda
British Virgin Islands
Canada
Caribbean Netherlands
Cayman Islands
Collectivity of Saint Martin
Costa Rica
Cuba
Curaçao
Dominica
Dominican Republic
El Salvador
Greenland
Grenada
Guadeloupe
Guatemala
Haiti
Honduras
Jamaica
Martinique
Mexico
Montserrat
Nicaragua
Panama
Puerto Rico
Saint Kitts and Nevis
Saint Lucia
Saint Pierre and Miquelon
Saint Vincent and the Grenadines
Saint-Barthélemy
Sint Maarten
The Bahamas
Trinidad and Tobago
Turks and Caicos Islands
U.S. Virgin Islands
United States

P-K SOLIS® Firetube Condensing Boiler

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