HEAT HERO DIRECT INSTALLATION GUIDE
🛡️Warranty
Heat Hero products are covered by a 5-year warranty; all other supplied components are covered by a 1-year warranty.
System Diagram
Installation Instructions
| 1. Direct Unit | Can be rotated in any direction and installed at any point on the gravity pipes. |
| 2. Circulation Pump | Use an 8-metre pump for more efficiency, hotter radiators and hotter water. |
| 3. Pipe Thermostat | Set to 55°C and fit close to the solid-fuel boiler. |
| 4. Temperature Probe | Fit to the stove or gravity flow within 1 metre, without restricting water flow. |
| 5. Thermal Safety Valve | Opens at 99°C, circulating water through the 44 kW cooling loop to safely cool the boiler. |
| 6. Expansion Pipe | Minimum ¾”, installed at the highest point of the gravity flow. |
| 7. Heating Storage Tank | Minimum 1 meter above the highest point of the heating system. |
| 8. Cold Feed | Must be connected anywhere on the gravity return. |
| 9. Heating Zones | At least one radiator zone must be open when the solid-fuel circulation pump is running. |
| 10. Non-Return Valve | Use a flap-type gravity non-return valve, not a spring-type valve. |
| 11. Wiring Centre | Can be used for multiple zone control. |
Direct Installation Video
Direct Unit Dimensions
Call Art for advice or information.

