Hi Delta®
Sealed-Combustion Residential Boilers

When venting flexibility is a must, Raypak Hi Delta™ has the answer! Hi Delta™ sealed combustion copper fin tube residential boilers are low-mass and offer venting flexibility with their fan-assisted design while keeping noise to a minimum. They’re small enough to fit almost any space and fuel-efficient for utility savings. With three sizes to choose from, there is a copper fin tube Residential for every home, apartment or condominium.

Key Features

• 3 Models
  
• 122,000 to 202,000 BTUH input
  
• Ultra-low NOx (less than 30 ppm)
  
• 84% efficiency – ANSI Z21.13
  
• Internal ignition fault indicator LED
  
• Hot-surface ignition with remote sensing
  
• Lightweight alumina-silica combustion chamber
  
• Small vent sizes
  
• Combustion air filter
  
• Vertical or horizontal vent
  
• Certified for 70 ft. effective length sidewall venting (includes vent termination cap)
  
• TruSeal™ meets ASHRAE 15-1994, section 8.13.6 for direct vent
  
• 20-year warranty against thermal shock
  
• Dependable tube sheet and “O” ring heat exchanger construction
  
• Glass-lined cast-iron headers
  
• Non-ferrous waterways option eliminates boiler oxygen permeation problems associated with non-barrier radiant tubing


• Factory-installed bypass and pump

For complete product literature see the Document Library