"Top performance with many existing heating systems." FURNACE INSTALLATION "We didn't invent fire, just
        better ways to use it."
Outdoor Wood Furnace
 
 
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Detailed Furnace Installation Variations

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Classic Cutaway View
Classic Side Access Panel
CL 5036 with Pump Installed in Building
CL 5036 with 1 Pump Installed
CL 6048 with Pump Installed in Building
CL 6048 with 1 Pump Installed
CL 6048 with 3 Pumps Installed
CL 7260 Showing PEX Piping Options
Classic Dimensions - Furnace & Foundation
E-Classic 2400 Cutaway
E-Classic 1400 with 1 Pump Installed
E-Classic 1400 with 2 Pumps Installed
E-Classic 1450 with 1 Pump Installed
E-Classic 2400 with 1 Pump Installed
E-Classic 2400 with 3 Pumps Installed
E-Classic 3200 with 2 Pumps Installed
E-Classic 1400, 1450, 2400, 3200 Furnace & Foundation
Classic Chimney Reinforcement Recommendations
E-Classic Chimney Reinforcement Recommendations
ThermoPEX and Central Therm
Water-to-Water Heat Exchanger
Forced Air System
Wiring Diagram for Forced Air
Forced Air System - Down Draft Furnace
Wiring Diagram - Two Tmstat 588 & Zn Valve
Wiring Diagram - Tmstat 588, Zn Valve, Trans
Wiring Diagram - Tmstat 587 & No Zn Valve
Wiring Diagram - Tmstat 587 & Zn Valve
Wiring Diagram - 3 Stage System
Dual System (Baseboard/Forced Air)
Dual System (In Floor Radiant/Forced Air)
Baseboard System
Existing Boiler (Direct Plumbed)
Existing Boiler (with Wraparound Pump)
Radiant Heat Single Zone
Radiant Heat with Flow Check Valve
Sample PEX Piping Layout
Wiring - Zn Valve, Tmstat, Trans, Pump
Multi Zone In-Floor
Radiant Floor Heat
Radiant Heat Multi Zone In-Floor
Large Manifold Assembly
Pool or Hot Tub Hook-up
Greenhouse Heating Options
Suspended Space Heaters
Heat for Multi-Buildings
Wiring - Aquastat/Heat Exchanger
Kickspace Heater
Panel Radiator Install
High Volume Water Heating
Fan Relay with Limit Switch

Central Boiler Push-fit Fittings
A fast and easy connection system.


Your Central Boiler dealer carries a complete selection of accessories to simplify installation and maintenance of your system.

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A safe, efficient outdoor wood furnace that can provide 100% of your heating needs. Central Boiler manufactures and distributes the Classic and E-Classic outdoor wood furnaces, these outdoor wood-fired hydronic heaters can heat multiple buildings, hot tubs, pools, greenhouses, domestic water and more.

While burning a wood stove indoors can mean many problems, there is an alternative...a Central Boiler outdoor wood furnace. Also known as an outdoor wood boiler, outdoor wood gasification furnace, or outdoor hydronic heater, an outdoor wood furnace eliminates the problems associated with indoor burning and allows you to get even more benefits from wood heat. Central Boiler outdoor wood furnaces can actually improve the indoor environment in your home or business, while eliminating the time-consuming chore of tending a traditional wood stove.