
Indirect-heating boiler
With a single coil
All the water is heated right to the bottom
- Volume: 100—5000 L
- Models: 14
- Vessel: 6 bar
Separates air from the heat-transfer fluid and vents it continuously while the system runs — no need to stop the pump. A plug at the bottom takes a ball valve for draining any deposits.

Air is vented while the pump runs.
Comfort is not interrupted for servicing.
A plug for a ball valve to drain deposits.
DN 20–300 — from apartment to industrial piping.
The full model range. The table scrolls horizontally.
| Model | VMEX 20 | VMEX 25 | VMEX 32 | VMEX 40 | VMEX 50 | VMEX 65 | VMEX 80 | VMEX 100 | VMEX 125 | VMEX 150 | VMEX 200 | VMEX 250 | VMEX 300 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Connection diameter (in) | ¾″ | 1″ | 1¼″ | 1½″ | 2″ | 2½″ | 3″ | 4″ | 5″ | 6″ | 8″ | 10″ | 12″ |
| Body diameterØD (mm) | 89 | 89 | 89 | 114 | 140 | 168 | 219 | 219 | 273 | 323 | 400 | 500 | 600 |
| Axis spacingLK (mm) | 180 | 180 | 180 | 180 | 290 | 315 | 420 | 420 | 513 | 603 | 730 | 760 | 860 |
| FlangeLF (mm) | 240 | 240 | 240 | 240 | 310 | 335 | 430 | 430 | 520 | 610 | 750 | 850 | 950 |
| HeightH (mm) | 260 | 260 | 260 | 310 | 430 | 480 | 550 | 550 | 650 | 710 | 980 | 1150 | 1300 |
| Branch heighth1 (mm) | 80 | 80 | 80 | 105 | 125 | 140 | 165 | 175 | 215 | 260 | 275 | 300 | 325 |
| DrainØA (in) | ½″ | ½″ | ½″ | ½″ | 1″ | 1″ | 1″ | 1″ | 1″ | 1″ | 1″ | 2″ | 2″ |
Designed to Uzbek standards.
Send us your boiler-room parameters — we'll suggest a model, size the output and prepare a commercial offer.