The Power-Fin® line of commercial water heaters and boilers has been expanded. New features include digital temperature control, expanded firing ranges from 50% to 100%, and more flexible venting µ up to 50 ft due to a two-pipe system, says the manufacturer. The new models are offered in three Btu sizes: 1.5 million, 1.7 million, and 2 million. They have thermal efficiency ratings of 87%. The units are compact enough to fit through standard 30-in. doorways intact, the company says.

Lochinvar Corp., 2005 Elm Hill Pike, Nashville, TN 37210; 615-889-8900; 615-885-4403 (fax); www.lochinvar.com (website).