The Sentinel cast-iron boiler from Slant/Fin is being called the new workhorse of the heating industry.

It features high efficiency, reliable natural draft design, intermittent or standing pilot, and a choice of six sizes at a competitive price that makes it an attractive choice for a wide range of residential and light commercial jobs.

AGA input from 70,000 Btu/hr. to 245,000 Btu/hr. AFUE to 82.3 percent. Full-color, eight -page sales literature. Call 516/484-2600, or visit Slant Fin .