P-K SONIC® Condensing Boilers

The P-K SONIC^® stainless steel, condensing boiler surpasses all expectations in efficiency, size, and material design.

Patterson-Kelley’s stainless steel boiler breaks through the limitations of all other stainless designs with sizes utilizing our revolutionary DUET™ technology. This is the industry’s first heat exchanger comprised of two unique chambers built to optimize the turndown process. Our unique heat exchanger designs allow the P-K SONIC® to operate to 97% AHRI efficiency with up to 7:1 turndown and ultra-low NOx emissions.

Models: SC650, SC750, SC850, SC1000, SC1500, SC2000, SC3000, SC4000

Advantages

A viable solution for existing system upgrades as well as new installations
Innovative, high-efficiency DUET Technology
Fits through an existing 36″ doorway
Can be installed in a mechanical room with an 8ft ceiling
Front accessibility reduces repair and maintenance costs and encourages annual maintenance
Extremely low electrical energy consumption increases potential savings
5:1 turndown dramatically improves cycle efficiency
Qualify for utility rebates
Barely audible, even at high fire

Specification

DUET^TM TechnologyEfficiency and harmony in design
Equipped with DUET technology, the P-K SONIC^® is the premier stainless steel design for condensing applications in the industry. The innovative zones are engineered separately using different composite stainless materials that, when used together, deliver better heat transfer and higher reliability throughout the condensing process.
Big output in a small spaceRefined engineering allows for optimal space management
In most cases, there’s no rigging required to put your P-K SONIC^® condensing boiler in any room of your building, whether it’s the basement or the penthouse. All P-K SONIC^® condensing boilers fit through a standard 36-inch doorway and standard elevator.
Easier to maintainBetter access and hassle-free service
The SONIC‘s clean, compact design allows internal components to be accessed with ease, saving time and money associated with repair and maintenance. Front maintenance accessibility encourages annual servicing to increase boiler life and performance.
NURO^® Touch-Screen Control SystemTurndown energy usage
All of our boilers 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.

Technical specification

Unique ref.p-k-sonic-condensing-boilers
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-sonic/
Technical descriptionhttps://www.pattersonkelley.com/uploads/2018/04/spx-pk-sonic-brochure-sept.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