Engineers
Patterson-Kelley’s one-stop-shop for downloadable product family packets
Patterson-Kelley boilers and water heaters are constructed with quality materials and built to last with trouble-free performance. Over the years, P-K has focused on technological innovation. We tailor products to meet the needs of our individual customers. All P-K boilers are equipped with the patented NURO® Control System, the most intuitive interface in the industry, allowing the end-user to monitor the system from anywhere at any time. The Patterson-Kelley support team and knowledgeable representatives work closely with engineers to ensure proper installation and maintenance of all P-K products.
For individual models and other content, please visit the product page of any commercial boiler or commercial water heater
Ready to speak to a P-K rep? Find a representative nearest to you using the rep locator.
Commercial Condensing
Our line of highly efficient commercial condensing boilers are designed to provide maximum comfort on the coldest days of the year while providing the same efficient operation when heat demand is at its lowest. Whether your needs are firetube or watertube, stainless steel or aluminum, indoor or outdoor, Patterson-Kelley has got you covered.
P-K SOLIS™
Condensing Firetube Boiler
Learn MoreP-K SOLIS™
Our newest condensing firetube boiler to the market. Efficiencies up to 96% with 10:1 mechanical turndown and ranging from model size 1500 to 3000.
SOLIS Drawings & Diagrams Family Packet
For more information about the P-K SOLIS, or to view specific product documents, please visit our SOLIS Product Page.
P-K STORM®
Condensing Watertube Boiler
Learn MoreP-K STORM®
The P-K STORM water-tube boiler is up to 97% efficiency with 10:1 mechanical turndown. Model sizes ranging from 650 to 6000.
STORM Drawing & Diagrams Family Packet
For more information about the P-K STORM, or to view specific product documents, please visit our STORM Product Page.
P-K SONIC®
Condensing Watertube Boiler
Learn MoreP-K SONIC®
The P-K SONIC water-tube boiler is up to 97% efficiency with commercial boiler model sizes ranging from 650 to 4000. Water heater models available in sizes 650 to 1000.
SONIC Family Drawing & Diagrams Boiler Packet
For more information about the P-K SONIC, or to view specific product documents, please visit our SONIC Product Page.
P-K MACH®
Condensing Aluminum Boiler
Learn MoreP-K MACH®
The P-K MACH is a condensing aluminum boiler that ranges from sizes 300 to 4000 with thermal efficiencies up to 99%. 10:1 mechanical turndown is available on natural gas models C750 – C2000.
MACH Family Drawing & Diagrams Packet
For more information about the P-K MACH, or to view specific product documents, please visit our MACH Product Page.
Commercial Non-Condensing
Patterson-Kelley’s line of non-condensing boilers are designed with a small footprint and a large output. Thermal efficiencies reach up to 88% with low operating costs and installation costs, our non-condensing boilers can cover any situation and fit in any boiler room they need to. If your need is outside of a boiler room, PK offers outdoor models in non-condensing, as well.
P-K Thermific VELOX®
Non-Condensing Copper Boiler
Learn MoreP-K Thermific VELOX®
The P-K Thermific VELOX is a non-condensing boiler that ranges from sizes 750 to 2000 with thermal efficiencies up to 85% and 5:1 turndown. The Thermific boiler requires only five connections for easy installation, even on combustible floors. Even the largest models can be moved through a 30″ doorway.
Thermific Velox Family Boiler Packet
Thermific Velox Drawings & Diagrams Packet
For more information about the P-K Thermific VELOX, or to view specific product documents, please visit our Thermific VELOX Product Page.
P-K MODU-FIRE®
Non-Condensing Copper Boiler
Learn MoreP-K MODU-FIRE®
The P-K MODU-FIRE is a non-condensing boiler that ranges from sizes 750 to 3000 with thermal efficiencies up to 88% and 5:1 turndown. Small footprint with a large output. Available in outdoor models for heating needs that live outside of the boiler room.
Modu-Fire Family Boiler Packet
Modu-Fire Drawings & Diagrams Packet
For more information about the P-K MODU-FIRE, or to view specific product documents, please visit our MODU-FIRE Product Page.
Indirect Water Heaters
Patterson-Kelley has been a leader in the indirect water heating market for over 140 years! In this product category, Patterson-Kelley leads with a variety of efficient heating materials and an industry-leading reputation. The current offering includes a steam and high-temperature boiler with a 20-year warranty (P-K COMPACT) and a brazed plate heat exchanger technology designed as a stand-alone heater (P-K DURATION III).
P-K COMPACT®
Semi-Instantaneous Indirect Water Heater
Learn MoreP-K COMPACT®
The P-K COMPACT is a semi-instantaneous indirect water heater that is available in water-to-water models and steam-to-water models. This popular water heater has been installed in thousands of locations and is designed with a focus on its small size producing high hot water output at closely controlled temperatures.
Compact Water Heater Family Packet Part 1
Compact Water Heater Family Packet Part 2
Compact Water Heater Drawing & Diagrams Packet
For more information about the P-K COMPACT, or to view specific product documents, please visit our COMPACT Product Page.
P-K DURATION III®
Indirect Water Heater
Learn MoreP-K DURATION III®
The P-K DURATION III is a semi-instantaneous indirect water heater that is available instantaneous, pumped, and base variations, serving water to water indirect hot water systems. It is engineered to complement any condensing source. Simple design, high efficiency, durability, and ease of installation.
Duration III Water Heater Family Packet
Duration III Water Heater Drawings & Diagrams Packet
For more information about the P-K DURATION III, or to view specific product documents, please visit our DURATION III Product Page.
P-K MACH ‘n’ Roll®
Condensing Indirect Water Heater
Learn MoreP-K MACH ‘n’ Roll®
The P-K MACH ‘n’ Roll is a highly efficient gas-fired, condensing domestic hot water and comfort heat system. Sizes range from 300 to 1050. Produces domestic water up to 140°F and still operates the boiler in condensing mode, where peak efficiency performance can be achieved. Comes standard with the NURO Touchscreen Control.
MnR Water Heater Family Packet
MnR Water Heater Drawings & Diagrams Packet
For more information about the P-K MACH ‘n’ Roll, or to view specific product documents, please visit our MACH ‘n’ Roll Product Page.
Direct Water Heaters
To complement the condensing and non-condensing boiler offering, Patterson-Kelley offers a complete line of direct-fired appliances serving the commercial, institutional, industrial, and multi-family unit markets. These products are available in both condensing (SONIC D, HiDRA) and non-condensing (THERMIFIC MFD, VELOX).
P-K HiDRA®
Condensing Firetube Water Heater
Learn MoreP-K HiDRA®
The P-K HiDRA is a highly efficient instantaneous condensing firetube water heater. Ranging in size 800 – 1000 with 5:1 turndown and up to 97% efficiency. Comes standard with a 10-year warranty for the heat exchanger and a 20-year warranty for the shell. Standard equipped with our NURO Touchscreen Controller.
HiDRA Water Heater Family Packet
HiDRA Water Heater Drawing & Diagrams Packet
For more information about the P-K HiDRA, or to view specific product documents, please visit our HiDRA Product Page.
P-K SONIC SCD®
Condensing Stainless Steel Water Heater
Learn MoreP-K SONIC SCD®
The P-K SONIC SCD is a stainless steel hot water supply boiler for domestic hot water applications that operates at 97% efficiency with up to 7:1 turndown and ultra-low emissions. The SONIC SCD is available in sizes 700 to 2000. This unit is standardly equipped with NURO Touchscreen Control System.
SONIC Water Heater Family Packet
SONIC Water Heater Drawings & Diagrams Packet
For more information about the P-K SONIC SCD, or to view specific product documents, please visit our SONIC SCD Product Page.
P-K Thermific VELOX W Series®
Non-Condensing Water Heater
Learn MoreP-K Thermific VELOX W Series®
The P-K Thermific VELOX W Series is a non-condensing water heater that operates at a thermal efficiency of 85% and ranges from sizes 700 to 2000. Only 5 connections for easy installation as well as being able to fit in small areas makes this unit ideal for retrofitting. The P-K Thermific VELOX W Series comes standard equipped with the NURO Touchscreen Control System.
Thermific Velox W Series Water Heater Family Packet
Thermific Velox W Series Water Heater Drawing & Diagrams Packet
For more information about the P-K Thermific VELOX W Series, or to view specific product documents, please visit our Thermific VELOX W Series Product Page.
P-K Modu-Fire W Series®
Non-Condensing Water Heater
Learn MoreP-K Modu-Fire W Series®
The P-K Modu-Fire W Series is a non-condensing water heater that operates at a thermal efficiency of 88% and ranges from sizes 750 to 2000. This small but powerful unit captures up to $0.85 of every fuel dollar and is perfect for a part-load performer. This unit is shipped standard with our NURO Touchscreen Controller equipped and ready to use.
ModuFire Water Heater Family Packet
ModuFire Water Heater Drawings & Diagrams Packet
For more information about the P-K Modu-Fire W Series, or to view specific product documents, please visit our Modu-Fire W Series Product Page
Contact us to learn more about the Patterson-Kelley difference.
