Quit struggling with bulky, heavy, out-of-date cast iron boilers. Raytherm copper fin tube residential boilers are low-mass and have high recovery rates. They’re small enough to fit almost any space and fuel-efficient for utility savings. With five sizes to choose from, there is a copper fin tube Residential for every home, apartment or condominium.

Key Features

• 5 Models
  
• 42,000 to 180,000 BTUH
  
• Firing Mode
  o Models 42 & 66 – Single-stage
  o Models 90-180 – 2-stage
  
• Operates at 105 °F return water temperature without condensing – perfect for the low-temperature needs of radiant floor and snow melting systems
  
• Built-in pump and bypass offers maximum application flexibility
  
• Honeywell S-8600 IID ignition eliminates off-cycle fuel consumption; Standing pilot available on Models 90-180
  
• “Spark-to-hood” pilot eliminates erratic pilot ignition and lockout
  
• Motorized Vent Damper prevents heat loss during off-cycles
  
• Non-ferrous waterways option eliminates boiler oxygen permeation problems associated with non-barrier radiant tubing
  
• One-year parts and service warranty against defects

For complete product literature see the Document Library