Internal view

Key to components

1. Temperature Control
2. Flue Overheat Reset Button (Under Control Box)
3. Boiler Overheat Reset Button
4. Pressure Relief Valve
5. Expansion Vessel
6. Optional Plug-in Programmer Position
7. System Pressure Gauge
8. Flue Gas Analyser Test Point (Behind Control Box)
9. Baffle Retainer Access Door
10. Circulating Pump
11. Expansion Vessel Bracket
12. Burner