| Type | Index number | Status |
|---|---|---|
| Gas and oil fuel boiler | 017400 | Normal |
| Brand | Model name | Model qualifier |
| Viadrus | K4 | K4G2H24ZR |
| Boiler ID* | ||
| Fuel | mains gas | |
| SAP winter seasonal efficiency (%) | 87.4 | |
| SAP summer seasonal efficiency (%) | 78.8 | |
| Seasonal efficiency when used in non-domestic buildings | 93.8 | |
| Comparative hot water efficiency (%) | 55.4 | |
| Efficiency category | SEDBUK based on certified data | |
| SAP equation used | 104 | |
| Output power (kW) | 22.3 | |
| Main type | combi | |
| Condensing | yes | |
| Integral PFGHRD | no | |
| Flue type | room-sealed | |
| Fan assisted | yes | |
| Ignition | no | |
| Burner control | variable (stepped or modulating) | |
| Mounting position | wall | |
| Exposure rating | indoor only | |
| Original manufacturer name | Viadrus a.s | |
| Current manufacturer name | Viadrus a.s | |
| Manufacturer address |
Bezrucova 300 Bohumin Czech Republic 73581 |
|
| Manufacturer phone | 0042 0596 082584 | |
| Manufacturer website | www.viadrus.cz | |
| First year of manufacture | 2014 | |
| Final year of manufacture | current | |
| Entry updated | 06/01/2016 09:35 | |
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