The XVers L, the newest hydronic boiler from Raypak, a Rheem company, is built to automatically assess the temperature and adjust to make sure the environment is controlled and comfortable. 

An installer is asked to connect an old (but still working) propane-fueled cast-iron boiler, which was salvaged from another project, to a slab-on-grade floor heating system in a new workshop.

Navien NFC series is available in 175,000 Btu/h and 199,900 Btu/h models, each offering 95% AFUE, 11:1 turndown ratio, PVC venting up to 150’, and residential and commercial warranties.

An installer is asked to pipe two independent zones of high mass floor heating to a conventional gas-fired boiler.

When John Kopf eventually gets around to designing and building his own house, he will go with hydronic heat instead of a more traditional forced air system. Kopf knows a thing or two about heating, having spent more than 20 years in the industry. He currently serves as boiler product manager for Navien.

Wohlfarth has more than 30 years of real-life experience inside boiler rooms and uses humor and jobsite stories to teach the class.

The HTP Elite XL is a powerful commercial boiler that is available in six sizes ranging from 400,000 Btu/h to 2,000,000 Btu/h.

The MACH® condensing boiler from Patterson-Kelley increases turndown, with emphasis on system efficiency, reliability and serviceability.

Pennant boilers and volume water heaters received a substantial upgrade with the Laars Linc intuitive control system with color touchscreen.

Weil-McLain’s Stainless Steel Vertical Firetube (SVF) commercial boiler features thermal efficiencies up to 97.1%.