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Vaillant temperature limiter for e.g. uniTOWER Split VWL 78/5 IS 0020273388
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Vaillant temperature limiter for e.g. uniTOWER Split VWL 78/5 IS 0020273388

€ 145.38 incl. VAT

Original spare part Vaillant. Type: Temperature limiter. Application: Heat pump / uniTOWER Split VWL 128/5 IS. Supplier code: 0020273388.

SKU: 80502052 Categories: , Brand:
✓ In stock — delivered in 3–5 working days
Delivery € 9.95 (AT, DK, ES, IT, SE) / € 12.95 (other EU countries), free from € 199 · Shipping & payment

Price incl. VAT. Any delivery costs are calculated in the basket — see shipping & delivery.

Does this fit my appliance?
ApplicationHeat pump
Series / modeluniTOWER Split VWL 78/5 IS and 3 other models
Vaillant number0020273388
Article number80502052
Not sure? Search by article or manufacturer number or check with the manufacturer or your installer.
All spare parts for Vaillant uniTOWER Split VWL 78/5 IS →
Same part, different name. Vaillant, Bulex and Saunier Duval belong to the same manufacturer group and use the same part numbers: if your Bulex or Saunier Duval part carries number 0020273388, this is that part.
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Vaillant temperature limiter for e.g. uniTOWER Split VWL 78/5 IS 0020273388: original Vaillant spare part, type: Temperature limiter. Application: Heat pump (uniTOWER Split VWL 128/5 IS). Manufacturer number: 0020273388; Instalpunt article number: 80502052.

According to the Vaillant parts lists, this part fits 4 models, including Vaillant uniTOWER Split VWL 58/5 IS, Vaillant uniTOWER Split VWL 78/5 IS and Vaillant uniTOWER Split VWL 128/5 IS. The full list is under “Fits”.

This item is in stock and usually arrives within 3–5 working days.

Check the rating plate of your appliance before ordering; if in doubt, ask the manufacturer or your installer.

Product information: Vaillant temperature limiter for e.g. uniTOWER Split VWL 78/5 IS 0020273388

BrandVaillant spare parts
Vaillant manufacturer number0020273388
Instalpunt article number80502052
EAN4024074848562
Part typeTemperature limiter (All Vaillant sensors · sensors of all brands)
ApplicationHeat pump
Suitable for4 Vaillant models (see list)
DeliveryIn stock – delivered in 3–5 working days
Price€ 145.38 incl. VAT
OriginGenuine manufacturer part, under Vaillant number 0020273388

Fits 4 Vaillant models

The part Vaillant temperature limiter for e.g. uniTOWER Split VWL 78/5 IS 0020273388 is in the official parts list of these Vaillant appliances. Click a model for the complete parts list and exploded view.

Vaillant Heat pump (4)

Check the rating plate of your appliance. Not sure whether this part fits? Check with the manufacturer or your installer; with the correct manufacturer number you can order it here directly.

Position on the parts diagram

This spare part is shown as position 08 on the parts drawing. Open the drawing for the appliance and click the number to check that you have the right spare part.

For which fault is a Vaillant temperature limiter replaced?

According to the fault code database, these Vaillant fault codes point to this type of part. Always check first that the code matches the appliance type on the rating plate.

CodeWhat is going on
F.00The flow temperature sensor signal is interrupted.
F.01The return temperature sensor signal is interrupted.
F.02The hot water connection temperature sensor signal is interrupted.
F.022Pressure loss in the heating circuit due to a leak or air lock, heating circuit pressure sensor defective
F.03The cylinder temperature sensor signal is interrupted.
F.042Sensor not connected or sensor input short-circuited

All Vaillant fault codes explained

Indicative: the same code can have a different cause depending on the situation. Have work on gas, flue or burner adjustment carried out by a qualified installer.

Frequently asked questions about this item

Does the Vaillant temperature limiter for e.g. uniTOWER Split VWL 78/5 IS 0020273388 fit my appliance?
This part is in the parts list of 4 Vaillant models, namely the uniTOWER Split VWL 58/5 IS, uniTOWER Split VWL 78/5 IS, uniTOWER Split VWL 128/5 IS, uniTOWER VIH QW 190/6 E. The model type is on the rating plate of your appliance. If in doubt, ask the manufacturer or your installer.
What is the delivery time for the Vaillant temperature limiter for e.g. uniTOWER Split VWL 78/5 IS 0020273388?
This item is in stock and usually arrives within 3–5 working days.
Can I return this item?
Yes, as a consumer within 14 days of receipt. You may unpack and inspect the item; for items that have been installed, connected or used (such as circuit boards) we deduct the diminished value. How to register your return is explained on returns.
What does shipping cost?
Shipping costs € 9.95 to Austria, Denmark, Italy, Spain and Sweden and € 12.95 to other EU countries; free delivery from € 199. In-stock items usually arrive within 3–5 working days, made-to-order items within 5–7 working days (a longer lead time is shown on the product page). Details: Shipping.
I have a fault code, which part do I need?
Look up the code in the fault code finder: per brand and appliance it shows what the code means and which part goes with it. If the code is listed with this part, the part belongs to that fault.

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