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Megatherm · EN 12828
Technical Datasheet & 2D Drawing (MPB-250-PRO)
Dimensional & hydraulic connection schematic
MPB 250 PRO (included feeder 2,0m, automatic cleaning system -extenal compressor required) – Megatherm MPB serija inžinerinis komponentas, skirtas kategorijai „
Shipped from central warehouse (delivery 2–4 bus. days)
Material / Spec: 6 mm katilinis plienas P265GH + keraminė virvė 12×12 mm (1260 °C)
Tvirtinamas prie esamų Viadrus U22 / Kalvis / Atmos katilo durelių be suvirinimo.
Antikondensacinė apsauga: grįžtamo srauto temperatūra į katilą T_grįžt ≥ 55 °C, kuro padavimo šnekas montuojamas 45–60° kampu su poliuretano gofra.
All [01–06] sub-assemblies, adapters, and gaskets stocked at Eigulių St. 21, Kaunas warehouse (10+ yr service support).
Vytautas engineering compatibility note (MPB-250-PRO)
Verified mating components for Megatherm (MPB-250-PRO) matched by connection standard (DN / thread / M30×1.5 / RA Click) and hydraulic compatibility.
Yes, this Megatherm unit (SKU MPB-250-PRO, category: Burners & accessories) is manufactured to European EN 12828 hydronic standards. Verify the connection thread or nominal size (e.g. DN15 1/2", DN20 3/4", M30×1.5 or Danfoss RA Click) – our engineering advisor Vytautas lists directly compatible mating components on this page.
Genuine Megatherm components use corrosion-resistant alloys (DZR brass, bronze or stainless steel) and calibrated flow paths, preventing valve sticking, water-hammer noise and premature seal leaks over 10+ heating seasons.
When installing MPB 250 PRO (included feeder 2,0m, automatic cleaning system -extenal compressor required) (MPB-250-PRO, retail price 7132,95 €), check whether you need matching union tailpieces, Eurocone adapters, a mating thermostatic head or actuator. See the compatible parts section above.
Always observe the flow-direction arrow on the housing, depressurise the loop before fitting, and never apply hemp or tape onto flat union gaskets or O-ring cones.
Tinka ketinių ir plieninių kieto kuro katilų (Viadrus U22/U26, Kalvis 2 serijos, Atmos, Defro, Vienybė, Buderus) automatizavimui per 4 val. Būtinas HERZ Teplomix 61 °C grįžtamo srauto pamaišymo mazgas.
Gamintojo dokumentu patvirtintas suderinamumas (vieno gamintojo sistemos ribose) · Kitiems mazgams: Suderinamumą pasitikslinkite su mūsų inžinieriumi (+370 611 19158) arba pagal įrenginio techninį pasą
Source: Manufacturer technical catalog (Danfoss / IMI Hydronic / HERZ / Haier / Gorenje 2025–2026) and LST EN 215 / EN 12828 / EN 303-5 standard
Verification note: Solid-fuel boiler door aperture and flange dimensions vary by production year and kW rating – before ordering a door conversion kit or pellet burner, verify exact dimensions against the boiler passport or with a „Gilės inžinerija“ engineer (+370 611 19158).
Confirm that MPB-250-PRO connection matches the supply/return pipework and flow direction arrow.
Depressurise the heating circuit, fit the union tailpiece and tighten to factory torque.
Adjust the flow scale (Kvs / l/h) or controller setting according to room or boiler loop load.
Refill the loop, vent trapped air and verify leak-free operation under operating temperature.
Engineer pro tip: When installing Megatherm (MPB-250-PRO), never wind hemp onto flat gasket seats or Eurocone O-ring cones – seal only tapered pipe threads.
Ceramic ignition element (tinka Megatherm MPB, Pelltech, Viadrus, Kalvis)
