33
Technical features and dimensions
2.3 Key components
1
2
3
4
5
7
6
8
9
10
11
12
13
14
15
16
17
19
18
20
21
22
23
24
25
Fig. 4 Key components
1. Condensate trap
2. Motorised 3-way valve
3. Modulating gas valve
4. Pressure transducer
5. 3-bar safety valve (CH)
6. DHW expansion vessel
7. Combustion fan
8. Flow temperature twin probe
9. Pre-mixed burner
10. Heat exchanger
11. Flue gas thermostat
12. Deaerator on exchanger
13. Flue gas analysis ports
14. Air intake and flue gas venting duct
15. Flue gas temperature sensor on exchanger
16. Magnesium anode
17. Coil air bleed valve
18. Ignition/detection electrode
19. CH expansion vessel
20. Air/gas mixer
21. 7-bar safety valve (DHW)
22. Stainless steel water heater
23. CH deaerator
24. Circulation pump
25. Water heater drain cock
Summary of Contents for ITACA KB 24
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