Highest DHW maximum BTU’s in residential combi-boilers...
up to 210,000 per hour
Highest DHW flow rate @ 70°F rise...
up to 5.4 GPM
Highest number of BTU sizes for
the North American residential
combi-boiler market
Highest residential combi DHW TDR...
15:1 for all models
Highest residential combi heating
TDR... up to 11:1
Highest number of built-in zone controls for valves or pumps... up to three
Highest full lineup 2" PVC venting lengths... up to 65 feet
Highest number of cascade capable
units with NPE tankless water heaters... up to 15
Lowest minimum fire BTU for residential combi-boilers... as low as 10,700