HEAT HERO GRAVITY 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. Flow and Return Manifold 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. Expansion Pipe Minimum ¾”, installed at the highest point of the gravity flow.
5. Cold Feed Must be connected to the gravity return.
6. Heating Storage Tank Minimum 1 meter above the highest point of the heating system.
7. Injector Flow Connect to the return manifold and set the balancing valve to ¼ open.
8. Heating Zones At least one radiator zone must be open when the solid-fuel circulation pump is running.
9. Non-Return Valve Use a flap-type gravity non-return valve, not a spring-type valve.
10. Wiring Centre Can be used for multiple zone control.
11. Cylinder A single coil cylinder can be used. Contact Heat Hero for details.

Gravity Installation Video

Flow Unit Dimensions

Return Unit Dimensions

Call Art for advice or information.

Four Zone Wiring Center available.