HydroTherm offers the KN Boiler as a replacement for old Pulse boilers in the event of a heat exchanger leak. The KN Boiler is currently available in three sizes, 600 MBUH, 1,000 MBUH AND 1,999 MBUH. Smaller sizes will be available soon for residential Pulse boiler replacements.

Follow the link to HydroTherm's KN Boiler Page: http://www.hydroThermkn.com/