
Wilo Circulating Pump for INT KSL/7-50/IPWM1 · Sime 6330402 · PRAKTICA HE-25
It is the circulation pump for the heating system: it moves water between the boiler and the radiators. It is modulating (iPWM control), so the boiler regulates its speed.
- Type of part
- Sime
- Status
- Refurbished
- Catalogue reference
- 6330402
- Warranty
- 1 year
Boilers Sime compatible with reference 6330402
Sime with reference 6330402. A verified compatibility: Sime PRAKTICA HE-25 (PRAKTIKA HE-25).
Proven compatibility
| Boiler model | Family | Verification |
|---|---|---|
| Sime PRAKTICA HE-25 | Sime | Contrasted |
Can't see your model or have questions? The printed reference takes precedence. How to check it · Send us a photo via WhatsApp.
How to check if reference 6330402 is the part for your boiler
The part reference, model, and equipment revision must be verified against the manufacturer's documentation.
- Look for the Wilo pump label with code 4531985, reference Sime 6330402, and model Para INT KSL/7-50.
- Check that your boiler is a Sime PRAKTICA HE-25 on its rating plate.
- Don't confuse it with other Sime pumps: 6272369, 6330401, 6281625, 6281624 or 6272360 are different codes.
- If they match, call us at 911 17 77 77 with your boiler model and we will reserve it for you.
Sime 6330402
- Catalogue reference
- 6330402
- Uniclima internal SKU
- BOM019
- Brand
- Sime
- Type of part
- Sime
- Units in stock
- 1 unit
- Status
- Refurbished
- Warranty
- 1 year
- Shipping
- Delivery time shown at checkout
- Return
- 14 days
Part data and available documentation
Contrast the label codes, PCB, and revision with the installed part; they are not necessarily equivalent references.
- Inventory reference
- Sime 6330402 spare part
- Wilo code visible on label
- 4531985
- Electric power
- 1–50 W
- Maximum current
- 0.44 A
- Power supply
- 1~230 V
- Frequency
- 50/60 Hz
- Degree of protection
- IPX2D
- Nominal pressure
- PN6
- Thermal class
- TF95
- EEI Index
- ≤0.20 Part 3
- Date/lot marking
- 19W37
- Technical sheet: Wilo KSL/7-50/iPWM1 variant (not confirmed as this unit) — Power · current · EEI
- 1–50 W · 0.44 A · ≤ 0.20 (matches the label) · Wilo OEM, variant iPWM1
- Technical sheet: Wilo KSL/7-50/iPWM1 (not confirmed as this unit) — Fluid temperature
- 0 to 95 °C · Wilo OEM · the maximum matches TF95; the minimum to be confirmed
- Technical sheet: Wilo KSL/7-50/iPWM1 (not confirmed as this unit) — Ambient temperature
- 0 to 70 °C · Wilo OEM · to be confirmed
- Wilo KSL/7-50/iPWM1 variant technical sheet (not confirmed as this unit) — Discharge connection
- G 1 · Wilo OEM · to be confirmed
- Fluids accepted
- Water, ethylene glycol and propylene glycol · Wilo OEM · to be confirmed
- Technical sheet: Wilo KSL/7-50/iPWM1 (not confirmed as this unit) — Protection
- IPX2D (unit label) · The Wilo technical sheet for the iPWM1 variant states IPX4D; it does not apply to this unit.
- Pending applications to verify
- PRAKTIKA HE-25 aparece en como compatibilidad declarada por el propietario. No se encontró confirmación oficial directa para la unidad/código 6330402 o etiqueta Wilo 4531985; no tratar como compatibilidad verificada.
- The official manual of the Praktica HE indicates that the boiler activates the pump every 24 hours if there is no heating demand (anti-blocking function).
- To be confirmed: de recambios de la Praktica HE (tabla de averías no oficial) aconseja purgar el circuito antes de pedir la bomba ante una anomalía de circulación de agua.
- No compatible o excluidos: Sime Praktica HE 30 — (8115002, pos. 078) lleva el circulador 6272369, no el 6330402. con la 6281625 (HE 30 PWM).
- No compatible o excluidos: Sime BRAVAONE HE 25 ERP — (8114200, pos. 078B) lleva el circulador 6272360, no el 6330402. lo cambian por el 6281624 (Wilo Para INT KSL/6-43).
- No confundir: 6272369 — Código oficial en el despiece de la Praktica HE 25 y de la HE 30 (pos. 078): circulador modulante — Código distinto del 6330402. Confirmación registrada: la 6330402 para la HE-25; la lista oficial cambia según el número de serie. Compara el código de tu bomba.
- No confundir: 6330401 — Sime «POMPA PARA INT KSL/7-50/IPWM1E» en italiana — Otro código y modelo con «E» final. No consta que sea la misma pieza.
- No confundir: 6281624 · 6272360 — Bomba Wilo Para INT KSL/6-43/IPWM1 de la BRAVA ONE HE 25 ErP (lista oficial: 6272360) — Otra talla (KSL/6-43). dicen que la 6272360 pasa a ser la 6281624. No es el 6330402.
- Unconfirmed: el 4531985 de Wilo: consta en la etiqueta. La ficha OEM de Wilo del modelo Para KSL/7-50/iPWM1 (sin «INT») termina en 4530581 en su dirección web; no se afirma que sea la misma variante.
- el 6330402 como bomba circuladora Sime; dos la nombran Para INT KSL/7-50/iPWM1, el modelo. Ninguna cita el 4531985 y la lista oficial de la HE 25 cita otra bomba (6272369).
