Condensing High-efficiency Systemfor Pool, DHW and Heating• 98% thermal efficiency at full fire• Top or rear CHX mounting options: lowprofile or small footprint, your choice!• 399,000 - 1,999,000 BTUH in single-heater configurations; up to 4,000,000BTUH using racked heater / CHX systems• Improved load-tracking with up toeight firing stages• Self-contained secondary heat exchangercan be inspected and maintained withoutdisturbing the vent or plumbingconnections• Exceeds all NOx emission standards• Straight tube heat exchanger outlastsother designs and facilitates scale-freeoperation – ideal for DHW applications• Fully-engineered rack systems simplifyjobsite installation and set-up• Indoor / Outdoor installation• Fully certified vent systems available• Full range of control options offeringBuilding Management System compati-bility and single-source accountability• Front-access heater controls, burner andheat exchangerTop-mounted CHX shownThe Raypak Hi Delta with CHX achieves an unequaled 98% thermal efficiency at full fire. It combinesthe reliability of the Hi Delta heater with an optional CHX heat exchanger which prevents condensationin the heater’s primary combustion chamber. The result – an ultra high efficiency heater that lasts.WITH CHXLonWorks ®compatible withRaypak Y-200heater controlF R O M T H E H O T WAT E R M A N A G E M E N T E X P E RT S SM402through2002ModelsHI DELTA™ with CHX