Lochinvar fire-tube boilers

Lochinvar’s new line of floor-standing KNIGHT fire-tube residential boilers includes the KHN KNIGHT. The KHN features a stainless-steel fire-tube heat exchanger and offers AFUE of 95% across all models, which range from 55,000 to 285,000 Btu/hr. With up to 10:1 turndown, the firing rate modulates based on demand to eliminate on/off cycling and optimize efficiency and heating comfort.