- Produced using European components of the following suppliers: SIT, OTMA, WILO, POLIDORO, Valmex, NordGas.
- Ideally suited for installing both in apartments and houses with a stationary chimney.
- Efficiency output is up to 92,5%.
- Adapted to gas pressure loss.
- Independent heat exchanger of the hot water circuit minimizes the cost of annual maintenance, provides temperature stability in the DHW circuit and has a longer service life compared to a bi-thermal heat exchanger.
- A high unification level of parts and components for the entire line of Lemax wall-mounted.
- Implemented control function through iOS and Android via the OpenTherm Protocol allows the remote control for home or an apartment.
- Increased combustion chamber volume ensures complete gas combustion and extends the operating lifetime of a heat exchanger.
- A built-in pressure sensor and a blow-off valve provide dual protection against heating circuit overpressure.
- Operating in high hydraulic resistance systems avoids installing an additional pump in most cases.
- Structurally protected sensors against corrosion and boiler scale.
- Extended range of boiler operating voltage ensures stable operation in power grids with high and low voltage (186 - 245 v).
- Integrated ignition transformer ensures stable spark generation and maximum smoothness of the ignition.
- Water pressure indicator displayed on the LCD provides comfort of monitoring water pressure.
- Reed flow sensor: the sealed contact detects water flowing without regular maintenance and provides start-up of hot water circuit when the water flow is 2 l/min, its shutoff at 1.5 l/min, and provides using the DHW circuit with low water pressure.
- A bypass installed in the boiler manifold unit protects boiler elements from overheating when excessive hydraulic resistance in the heating system or when the coolant is blocked.
- Boiler accessibility due to the removable top panel.
- Ability to switch to a liquid gas.
| Name of parameters | Prestige‑7.5 | Prestige‑10 | Prestige‑12,5/ Prestige‑12,5W | Prestige‑16/ Prestige‑16W | Prestige‑20/ Prestige‑20W | Prestige‑25/ Prestige‑25W | Prestige‑30/ Prestige‑30W | Prestige‑35/ Prestige‑35W | Prestige‑40/ Prestige‑40W | |
|---|---|---|---|---|---|---|---|---|---|---|
| Type of gas burner equipment | GGY-9NP8 | GGY- 9NP12 | GGY-15NP | GGY-l9NP | GGY-24NP | GGY-30NP | GGY-35NP | GGY-40 | GGY-45 | |
| Automatic safety controls | 820 NOVA | 820 NOVA | 820 NOVA | 820 N07A | 820 NOVA | 820 NOVA | 820 NOVA | 820 NOVA | 820 NOVA | |
| Rated heat output, kW | 7,5 | 10 | 12.5 | 16 | 20 | 25 | 30 | 35 | 40 | |
| Efficiency factor, % | 92 | |||||||||
| Approximate area of the heated space, m2 | 75 | 100 | 125 | 160 | 200 | 250 | 300 | 350 | 400 | |
| Volume of the heat carrier in the heat exchanger, l | 19,3 | 19.3 | 21 | 21 | 36,6 | 31,7 | 31.7 | 45.8 | 45,8 | |
| Natural gas consumption. m3/h |
‑ maximum ‑ medium |
0.9 0.45 |
1.2 0.6 |
1.5 0.75 |
1.9 0.95 |
2.4 1.2 |
3.0 1.5 |
3,5 1.75 |
4,0 2.0 |
4.5 2.25 |
| Process pressure of the heat carrier, MPa | 0.1 | 0.1 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0,3 | 0,3 | |
| Nominal pressure of natural gas. Pa | 1300 | |||||||||
| Nominal pressure of liquified gas. Pa | 1900-2100 | |||||||||
| The range of rarefaction under which stable operation of the boiler is ensured. Pa | 4-25 | 4-25 | 4-25 | 4-25 | 4-25 | 4-40 | 4-40 | 4-40 | 4-40 | |
| Temperature of combustion products. No less than. C | 110 | |||||||||
| Maximum temperature of the heat carrier at the boiler outlet. С | 90 | |||||||||
| Specific consumption of hot water at a temperature of 25 °С, lpm | - | - | -/4 | -/5 | -/6 | -/7 | -/8 | -/9 | -/10 | |
| Diameter of the flue, mm | 100 | 100 | 130 | 130 | 130 | 130 | 130 | 140 | 140 | |
| Linkage dimensions of the branch pipes to the gas supply system, inch |
1/2" |
1/2" | 3/4" | 3/4" | 3/4" | 3/4" | 3/4" | 3/4" | 3/4" | |
| Linkage dimensions of the branch pipes to the heating system, inch | 1 1/2" | 1 1/2" | 2" | 2" | 2" | 2" | 2" | 2" | 2" | |
| Overall dimensions, mm |
- height - width - depth |
835 324 570 |
835 324 570 |
865 412 615 |
865 412 615 |
1065 465 690 |
1065 465 690 |
1065 465 690 |
1112 528 760 |
1112 528 760 |
| Mass, kg, no more than |
- net - gross |
42 44 |
42 44 |
60/62 62/64 |
60/62 62/64 |
76/79 86/89 |
79/82 89/92 |
79/82 89/92 |
107/111 118/122 |
107/111 118/122 |