The Mascot is a high-efficiency gas-fired residential and commercial wall-mounted boiler available in three BTU sizes - 126, 167, and 242 MBTU.

The two 126 MBTU boilers are considered residential and they are available both as "heating only" boilers (model HT 1.330) and as "combi" boilers with both hydronic heating and domestic hot water (model HT 330).

The Mascot 167 & 242 MBTU boilers (HT 1.450 & HT 1.650) are packaged differently for potential commercial application.