IBS / KBIS Products Preview | A.O. Smith

The A.O. Smith ProLine XE Combi Boiler is designed for easy installation and features a user-friendly interface. Its preheat and domestic hot water response modes ensure swift hot water delivery during frequent-use cycles. For space heating, the boiler offers comfort and energy savings, immediately stopping non-heated air from circulating when it’s switched from space heating to domestic hot water mode.