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Itho Daalderop thermostat 2-pole TRI m86
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Itho Daalderop thermostat 2-pole TRI m86 78.76.54.953S

€ 108.05 incl. VAT

Original spare part Itho Daalderop. Type: Thermostat. Application: Hot water cylinder / Mono-3 120 (5,25kW). Supplier code: 78.76.54.953S.

SKU: 8781160 Categories: , Brand:

Price and stock checked on 20 October 2026.

✓ In stock — delivery usually within 3–5 working days
EU delivery from € 17.95 · Shipping & payment

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

Does this fit my appliance?
ApplicationHot water cylinder
Series / modelMono-3 80 (7,5kW) and 4 other models
Itho Daalderop number78.76.54.953S
Article number8781160
Not sure? Search by article or manufacturer number or check with the manufacturer or your installer.
All spare parts for Itho Daalderop Mono-3 80 (7,5kW) →
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Itho Daalderop thermostat 2-pole TRI m86: original Itho Daalderop spare part, type: Thermostat. Application: Hot water cylinder (Mono-3 120 (5,25kW)). Manufacturer number: 78.76.54.953S; Instalpunt article number: 8781160.

According to the Itho Daalderop parts lists, this part fits 5 models, including Itho Daalderop Mono-3 80 (5,25kW), Itho Daalderop Mono-3 80 (7,5kW) and Itho Daalderop Mono-3 120 (5,25kW). The full list is under “Fits”.

In stock: order before 14:00 and it ships the same working day; delivery within the EU usually takes 3–5 working days.

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

Product information: Itho Daalderop thermostat 2-pole TRI m86 78.76.54.953S

BrandItho Daalderop spare parts
Itho Daalderop manufacturer number78.76.54.953S
Instalpunt article number8781160
EAN8713418012597
Part typeThermostat (All Itho Daalderop thermostats and controls · thermostats and controls of all brands)
ApplicationHot water cylinder
Suitable for5 Itho Daalderop models (see list)
DeliveryIn stock, delivery in 3–5 working days
Price€ 108,05 incl. VAT
OriginSupplied through the official technical wholesale channel, under Itho Daalderop number 78.76.54.953S

Also known as: maximaalthermostaat, ketelthermostaat.

Fits 5 Itho Daalderop models

The part Itho Daalderop thermostat 2-pole TRI m86 78.76.54.953S is in the official parts list of these Itho Daalderop appliances. Click a model for the complete parts list and exploded view.

Itho Daalderop Hot water cylinder (5)

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.

For which fault is a Itho Daalderop thermostat replaced?

According to the fault code database, these Itho Daalderop 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
0 geenHigh-limit thermostat open
8High-limit thermostat switches off and CH pressure is below 0.5 bar
9High-limit thermostat switches off and CH water temperature is above 80 oC

All Itho Daalderop 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 Itho Daalderop thermostat 2-pole TRI m86 78.76.54.953S fit my appliance?
This part is in the parts list of 5 Itho Daalderop models, namely the Mono-3 80 (5,25kW), Mono-3 80 (7,5kW), Mono-3 120 (5,25kW), Mono-3 120 (7,5kW), Mono-3 150 (7,5kW). 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 Itho Daalderop thermostat 2-pole TRI m86 78.76.54.953S?
This item is in stock. Ordered before 14:00, it ships the same working day and usually arrives within three to five working days.
Can I return this item?
Yes, unused and in the original packaging within 14 days of receipt. Unpacked or fitted items and electronics such as PCBs cannot be returned. How to register a return is explained on returns.
What does shipping cost?
Shipping costs € 17.95 to Austria, Denmark, Italy, Spain and Sweden and € 24.95 to other EU countries. In-stock items ordered before 2 pm are dispatched the same working day; delivery usually takes 3–5 working days. 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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