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Hi Delta® Sealed Combustion Boilers & Water Heaters

Decades of expertise and technological innovations went into creating the Hi Delta boiler, a product which incorporates features sought after by engineers, installers and end-users alike. The patented burner “security blanket,” an ingenious enhancement that provides a perfected air-gas pathway for complete combustion, makes the Hi Delta the most adaptable sealed-combustion boiler on the market today. Adding to the Hi Delta’s ease of use is the Universal Diagnostic Board (UDB). This key enhancement allows a local technician to quickly review the unit’s entire fault history and make any necessary repairs or adjustments.
Every Hi Delta is factory-fire tested, assuring reliable start-up upon installation. When installed indoors, the Hi Delta’s versatility is revealed in smaller vent diameters, direct-venting and the convenience of stacking without an increased footprint.
Key Features
- 18 models from 120,000 to 2,340,000 BTUH
- Efficiency
a) Boilers – 84% standard; 87% optional on Models 302A-2342A
b) Water Heaters – 85% standard
c) 98% condensing system available (See Hi Delta with CHX)
- 105ºF minimum inlet water capability on standard models; 120°F on 87% boilers
- Copper fin tube heat exchanger; Cupro-Nickel available
- Bronze headers standard on water heaters, optional on boilers
- Sidewall venting ready; No extractor needed for most applications
- Ducted combustion air-ready; TruSeal™ CSA-certified direct-vent available
- Status display and advanced diagnostic lights for easy troubleshooting
- Meets all NOx regulations
Brochure, Installation & Operating Instructions, Spec Sheets
Raypak Site
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