Grundfos UPS 15-50 circulation pump · 59935532 / 8716010880 · Junkers ZWC24/28-3MFA
Refurbished Junkers Junkers Grundfos

Grundfos UPS 15-50 circulation pump · 59935532 / 8716010880 · Junkers ZWC24/28-3MFA

It moves the water from the boiler through the heating circuit. It is suspected if the radiators do not heat up even though the boiler turns on, if it makes noise or vibrates, or if it is leaking water.

Type of part
Junkers
Status
Refurbished
Catalogue reference
59935532
Warranty
1 year
VAT included Stock · 1 unit
Compatibility

Boilers Junkers compatible with reference 59935532

Junkers with reference 59935532. Five confirmed compatibilities: Junkers ZWC24/28-3MFA23S3700 and ZWC24/28-3MFA31S3700 and Junkers ZWC24/28-3MFK23S3792 and ZWC24/28-3MFK31S3792. There are another 3 models that we are still verifying.

Proven compatibility

Boiler modelFamilyVerification
Junkers ZWC24/28-3MFA23S3700 and ZWC24/28-3MFA31S3700JunkersContrasted
Junkers ZWC24/28-3MFK23S3792 and ZWC24/28-3MFK31S3792JunkersContrasted
Junkers ZSC24-3MFA23S3700 and ZSC24-3MFA31S3700JunkersContrasted
Junkers ZSC24-3MFK23S3792 and ZSC24-3MFK31S3792JunkersContrasted
Junkers ZWN24-7MFA23S2800 and ZWN24-7MFA31S2800JunkersContrasted

Models pending verification

These models are associated with this reference, but we have not finished verifying them yet, so we do not consider them compatibleIf your boiler is one of them, send us a photo of the part you are going to replace and we will verify it before you purchase.

Junkers Buderus U152 and U154JunkersUnconfirmed
Junkers Ceraclass Comfort ZWE 24-5 MFA, 24-5 MFK and 28-5 MFAJunkersUnconfirmed
Junkers Buderus Sieger HG15WK, HG15WG and HG15WKGJunkersUnconfirmed

Can't see your model or have questions? The printed reference takes precedence. How to check it ·

Guide

How to check if reference 59935532 is the part for your boiler

The part reference, model, and equipment revision must be verified against the manufacturer's documentation.

  1. Read the label: it should say UPS 15-50 CACAO and the code 59935532. This unit indicates 230 V~, 50 Hz and Code PC 0941BBT.
  2. Compara la referencia Junkers 8716010880 (en el despiece oficial, 8 716 010 880 0). el 8737604215 como sustituto; el catálogo Bosch no lo liga a esta bomba: compara el código de la etiqueta.
  3. Check the model and version on your boiler's PCB: we have confirmed it for ZWC24/28-3, ZSC24-3, and ZWN24-7MFA.
  4. Don't confuse it with other UPS 15-50: the Grundfos UPS 15-50 130 has the code 59505500.
  5. If they match, call us at 911 17 77 77 with your boiler model and we will reserve it for you.
Diagnosis and fault codes

Symptoms that require diagnosis in the junkers 59935532

Common symptoms and faults

  • 01

    Cold radiators even though the boiler is on.

    Cause: To be confirmed: Lo cita, no un manual: que un técnico compruebe si el agua circula.

  • 02

    Noises, buzzing, or vibrations when heating.

    Cause: Lo cita la misma.

  • 03

    Locked rotor after a long summer shutdown.

    Cause: Según la misma.

  • 04

    Water leaks in the pump body.

    Cause: Lo cita; no la uses con fuga.

These symptoms can have more than one cause. If your boiler displays a fault code, send it to us via WhatsApp along with a photo of the labeling, and we'll tell you if this is the part.

Technical data

Technical sheet: Junkers 59935532

Catalogue reference
59935532
Uniclima internal SKU
BOM026
Brand
Junkers
Type of part
Junkers
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.

Power supply
230 V~
Frequency
50 Hz
Condenser
2 µF
Protection
IP44
Thermal class
TF95
Insulation class
H
Maximum marked pressure
0.3 MPa
Current / power (I1/1, P1)
0.18 A / 40 W; 0.29 A / 60 W; 0.37 A / 80 W
PC code
0941BBT
Datos adicionales — Peso
1.91 kg · Bosch Catalog
Pending applications to verify
Candidatas transcritas de la tarjeta/listado; no publicar como compatibilidad confirmada sin cotejo exacto de variante: ZWN24-7MFA23S2800 ZWN24-7MFA31S2800 ZSC24-3MFA23S3700 ZSC24-3MFA31S3700 ZSC24-3MFK23S3792 ZSC24-3MFK31S3792 ZWC24/28-3MFA23S3700 ZWC24/28-3MFA31S3700 ZWC24/28-3MFK31S3792 Quedan estas9subvariantes pendientes de cruce exacto. La variante23S3792 deZWC24/28-3MFK se ha trasladado aCompatibilidad verificada; no se extrapola a las anteriores.
Before purchasing
  • To be confirmed: Buderus U152 y U154: . lo da solo por el código 8737604215, que el catálogo oficial no liga a esta bomba
  • To be confirmed: Junkers Ceraclass Comfort ZWE 24-5 MFA, 24-5 MFK y 28-5 MFA: y Besalba
  • To be confirmed: Buderus Sieger HG15WK, HG15WG y HG15WKG: . El catálogo Bosch lista el 8737604215 para 12 variantes HG15, sin ligarlo a esta bomba
  • Not compatible or excluded at source: Junkers ZWC 24/28-1 MFK — Its official list breaks down the pump: housing 8 716 771 595 and motor 8 716 771 427.
  • No confundir: 8737604215 — Bomba Bosch UPMO 15-50 CACAO 14 3H — la dan como sucesora; el catálogo oficial Bosch no la liga a esta bomba (solo a 12 variantes HG15). Sin confirmar.
  • Do not confuse: 59505500 — Grundfos UPS 15-50 130, official technical sheet — Another variant of the series, with a different code.
  • Do not confuse: 8 716 011 394 0 — Second reference "Pump" from the official parts list — No description in the parts list: we do not know if it is another variant. Compare the label code.
  • Unconfirmed: 59935532 ni 0941BBT. Solo y (mismo título) nombran a Grundfos; el resto la vende como Bosch, Junkers, Buderus o Worcester.
  • El 8716010880 es la Pumpe UPS 15-50 CACAO Bosch; dos despieces oficiales la listan como bomba (pos. 1) con el mismo código, sin nombre. el 8737604215 como sustituto; el catálogo oficial no lo liga: por confirmar.
Frequently Asked Questions

Frequently asked questions: junkers 59935532

How do I identify this Grundfos UPS 15-50 CACAO pump?
Read the label: it should say UPS 15-50 CACAO and the code 59935532. This unit also marks the PC Code 0941BBT. Its Junkers reference is 8716010880 (8 716 010 880); the official Bosch catalog lists it as "Pumpe UPS 15-50 CACAO," item 8 716 010 880 0.
Is it compatible with my Junkers ZWC24/28-3MFA?
Sí: Confirmada: para la ZWC24/28-3MFA (23S3700 y 31S3700). El despiece oficial Junkers de la serie ZWC-3MFA (2007) lista la bomba 8 716 010 880 0 en la posición 1, y el 8716010880 para esa caldera (dos con la misma lista).
And for the ZWC24/28-3MFK, the ZSC24-3 or the ZWN24-7MFA?
To be confirmed: Sí: Confirmada: para ZWC24/28-3MFK y ZSC24-3MFK (23S3792, 31S3792), ZSC24-3MFA (23S3700, 31S3700) y ZWN24-7MFA (23S2800, 31S2800). El despiece oficial de la serie ZWC/ZSC 3 MFK (2009) lista el 8 716 010 880 0 (la columna de cada modelo no se pudo leer en el PDF); para la ZWN24-7MFA hay con la misma lista.
What is the difference between 8716010880, 87160108800, and 8737604215?
El 8716010880 es la referencia Junkers de 10 cifras; el 87160108800 (8 716 010 880 0) es la misma bomba en 11 cifras, la del catálogo oficial, que Bosch marca como no disponible. el 8737604215 (UPMO 15-50 CACAO 14 3H) como sustituto del 87160108800; el catálogo oficial Bosch lo lista aparte, solo para 12 variantes HG15, y no lo liga a esta bomba. Sin confirmar.
What other boilers use this pump?
Por confirmar, porque no están: Buderus U152 y U154 ( por código: y lo da por el código sucesor), Junkers ZWE 24-5 MFA, 24-5 MFK y 28-5 MFA y Sieger HG15WK, HG15WG y HG15WKG (: ). Llámanos al 911 17 77 77 con el modelo de tu caldera.
Does any Grundfos UPS 15-50 work?
No. The official Grundfos technical sheet for the UPS 15-50 130 has the code 59505500 and this unit has 59935532. The official Junkers parts lists also mention 8 716 011 394 0 in the same position. Compare the code on the label, not just the name.
Who should install it and what needs to be checked?
Un técnico cualificado, como exige el despiece oficial Junkers. indica vaciar el circuito antes de desmontarla y fijarse en las velocidades y el conector.
Entrega calculada por destino Delivery time shown at checkout
1-year warranty reviewed and tested
14-day return uninstalled parts
Technical support we verify your model
Grundfos UPS 15-50 circulation pump · 59935532 / 8716010880 · Junkers ZWC24/28-3MFA