Compatibility check · Fits boilers & heating systems
Will this fit my boiler or hydronic node?
G 3/4" Eurokonus kontūrų jungtysM30×1,5 terminės pavaros (EMO T / TWA-K)16×2,0 mm / 20×2,0 mm vamzdžiai
Kolektoriaus kontūrų atvamzdžiai yra G 3/4" Eurokonus (reikia po 2 vnt. Eurokonus jungčių kiekvienam vamzdžio žiedui), o pavarų sriegis – standartinis M30×1,5 (tinka EMO T 1807-00.500 ir Danfoss TWA-K M30×1,5 pavaros).
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).
01COMPACTFLOOR mazgas su dvigubu kolektoriu, 2 loops radiatoriams, 5 loops grindims, pajungimas iš dešinės (3E53305) in original HERZ factory packagingIncluded
Supply flow (T1 / Kv)Return line (T2 / Δp)230V / 24V / NTC control
LST EN 1264 · G 1" kolektorius · Eurokonusas 3/4" × 16×2,0 mm
Select assembly callout pin [01–06] on blueprint or list:
[01] Tiekiama sija su srauto matuokliais (rotametrai 0–5 l/min)Kaunas warehouse stock: Sandėlyje Kaune (atsarginiai rotametrai)
Material / Spec: Nerūdijančio plieno AISI 304 arba žalvario G 1" sija su skaidriais 0–5 l/min rotametrais
Srautas l/min reguliuojamas sukant rotametro žiedą, kol plūdė pasiekia projektinę vertę.
EN 1264 balansavimas: vieno 16×2,0 mm kontūro ilgis L ≤ 80–100 m (ΔT = 5 K), srautas nustatomas rotametru (0,5–3,5 l/min) pagal kilpos ilgį.
All [01–06] sub-assemblies, adapters, and gaskets stocked at Eigulių St. 21, Kaunas warehouse (10+ yr service support).
02 / Required tools & 4-step mounting sequence
+Matching threaded union or compression adapter sized to your pipe diameter (DN15 / DN20 / DN25)
+Calibrated spanner or torque wrench for thread/union tightening without housing distortion
+System shut-off and air-bleeding check before commissioning the circuit
01 · Verify thread & nominal diameter (DN)
Confirm that 3E53305 connection matches the supply/return pipework and flow direction arrow.
02 · Mount the body onto the isolated branch
Depressurise the heating circuit, fit the union tailpiece and tighten to factory torque.
03 · Set hydraulic pre-setting / control parameter
Adjust the flow scale (Kvs / l/h) or controller setting according to room or boiler loop load.
04 · Pressurise, bleed air & verify tightness
Refill the loop, vent trapped air and verify leak-free operation under operating temperature.
Technical specifications (3E53305)
HERZ
Manufacturer
HERZ
Model / SKU
3E53305
Component Type
Grindinio šildymo manifold su rotametrais / AFC srauto reguliavimu
Gamintojo kodas (MPN)
3E53305
Gamintojo serija
HERZ COMPACTFLOOR serija
Pajungimo matmuo / sriegis
Standartizuota gamyklinė ŠVOK connection
Vardinis slėgis / galia / tūris
PN10 / Vardinis gamyklinis režimas
Korpuso / mazgo medžiaga
DZR brass CW602N / MS58 su nikeliuotu paviršiumi
Darbinė temperatūra / įtampa
up to +110 °C (uždara sistema)
Atitikties standartas
DVGW / EN ISO 21003 / DIN 4726
Taikymo sritis
Grindinis šildymas ir kolektoriai (HERZ inžinerinės šildymo, vėsinimo ir vandentiekio sistemos)
Engineer checklist before installation
Verify before adding to cart
01Does the connection size and DN of 3E53305 match your manifold, boiler or radiator port?
02Have you added matching union fittings, actuators or thermostatic heads to your cart?
03Is the operating pressure (PN) and temperature rating suitable for your heating circuit?
Engineer pro tip: When installing HERZ (3E53305), never wind hemp onto flat gasket seats or Eurocone O-ring cones – seal only tapered pipe threads.
Engineering node configuration · Vytautas
Vytautas recommends: compatible components for complete installation
Node role:Hydronic & HVAC assembly component
Vytautas engineering compatibility note (3E53305)
Verified mating components for HERZ (3E53305) matched by connection standard (DN / thread / M30×1.5 / RA Click) and hydraulic compatibility.
Practical engineering answers for COMPACTFLOOR mazgas su dvigubu kolektoriu, 2 loops radiatoriams, 5 loops grindims, pajungimas iš dešinės (3E53305)
Will COMPACTFLOOR mazgas su dvigubu kolektoriu, 2 loops radiatoriams, 5 loops grindims, pajungimas iš dešinės (3E53305) fit my existing heating system?
Yes, this HERZ unit (SKU 3E53305, category: Underfloor heating & manifolds) 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.
How does HERZ 3E53305 differ from budget alternatives?
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.
What mating fittings are needed to install 3E53305 in one visit?
When installing COMPACTFLOOR mazgas su dvigubu kolektoriu, 2 loops radiatoriams, 5 loops grindims, pajungimas iš dešinės (3E53305, retail price 1891,32 €), check whether you need matching union tailpieces, Eurocone adapters, a mating thermostatic head or actuator. See the compatible parts section above.
How to avoid the most common installation mistake with 3E53305?
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.