Warning!
EKO wood gasification boilers should be installed in accordance with local codes. The
boiler should be part of a closed, pressurized system with a pressure relief valve, expan-
sion tank and if possible, a hot water storage tank.
1. Outdoor thermostat
2. Feed water temp. sensor
3. Four-way mixing valve
4. Mixing valve controller
5. Circulating pump
6. Room temp. sensor
7. Boiler
8. Radiator (in living space)
9. Water heater vessel
10. Differential valve
11. Pressure tank
12. Warm water exit
13. Cold water entry
1. Boiler
2. Mixing valve
3. How water storage tank
4. Electric heating element
5. Three-way mixing valve
6. Circulating pump
7. Room temp. sensor
8. Return water
9. Mixing valve controller
10. Pressure tank
11. Outdoor temp sensor
12. Mixing valve
13. Feed water temp sensor
System with gravity-feed overheat protection.
System with hot water storage tank.
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