The Laars MagnaTherm HTD condensing boiler and volume water heater comes standard with feature-rich functionality, such as full 20:1 turndown on all sizes, Laars Tru Trac O2 trim system with real time, electric fuel-to-air ratio combustion control and the intuitive to use, icon based Laars Linc control system.
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.
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.
