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HERZ · EN 12828Montavimo ir prijungimo mazgo eiga (1770852):
Gamyklinė komplektacija ir sertifikavimas:
Technical Datasheet & 2D Drawing (1770852)
Dimensional & hydraulic connection schematic
Katilinės ir pastatų inžinerijos elementas HERZ 1770852 (HERZ 7708 / 7710 elektroterminių ir motorinių vožtuvų pavarų…
In stock · delivery 1–3 bus. days
Material / Spec: Lakštinis plienas S235JR (3–4 mm), išbandytas 1,5×PN hidrauliniu slėgiu
Akumuliacinėms talpoms – juodas plienas; ŠV boileriams – titano emalis + 850 °C degimas.
EN 12828 sauga: tarp boilerio / akumuliacinės talpos ir apsauginio vožtuvo (3 bar šildymui / 6 bar geriamam vandeniui) bei Statico plėtimosi indo draudžiama montuoti uždaromąją armatūrą.
All [01–06] sub-assemblies, adapters, and gaskets stocked at Eigulių St. 21, Kaunas warehouse (10+ yr service support).
Vytautas engineering compatibility note (1770852)
Verified mating components for HERZ (1770852) matched by connection standard (DN / thread / M30×1.5 / RA Click) and hydraulic compatibility.
Yes, this HERZ unit (SKU 1770852, category: Boiler room automation & actuators) 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 HERZ 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 Termoelektrine actuator, 24 V, NC, M28, 100N (1770852, retail price 41,91 €), 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.
Ši HERZ pavara turi standartinį M30×1,5 sriegį ir tinka M30×1,5 vožtuvams bei kolektoriams (netinka Danfoss RA-Click vožtuvams be adapterio).
Gamintojo dokumentu patvirtintas suderinamumas (vieno gamintojo sistemos ribose) · Kitiems mazgams: Suderinamumą pasitikslinkite su mūsų inžinieriumi (+370 693 97098) 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 (+370 693 97098).
Confirm that 1770852 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 HERZ (1770852), never wind hemp onto flat gasket seats or Eurocone O-ring cones – seal only tapered pipe threads.
Underfloor heating master controller, 10-zone, supply 230V, supports 12 Danfoss actuators 24V, NC – 088H0017
