- Commercial Atmospheric Gas Boiler
- Packaged, Assembled Block (to 19 Sections Only) or Individual Sections
- Natural Draft Venting
- 630 to 9,450 MBH Input
- Steam Boilers
- Natural or LP Gas
- About Wiel-McClain Boilers: We specialize in the repair, replacement and installation of Wiel-McClain Boilers. Chatham Comfort Controls Heating & AirConditioning Expert Installation Specialists are experienced atinstalling ALL brands, makes and models of heating and cooling equipment.