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Remeha GTW-08 Modbus RTU interface
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Remeha GTW-08 Modbus RTU interface 7721982

€ 298.46 incl. VAT

Original spare part Remeha. Type: Modbus PCB. Application: Boiler / Quinta 115 (2025). Supplier code: 7721982.

SKU: 8016027 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?
ApplicationBoiler
Series / modelQuinta 90 (2025) and 3 other models
Remeha number7721982
Article number8016027
Not sure? Search by article or manufacturer number or check with the manufacturer or your installer.
All spare parts for Remeha Quinta 90 (2025) →
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Remeha GTW-08 Modbus RTU interface: original Remeha spare part, type: Modbus PCB. Application: Boiler (Quinta 115 (2025)). Manufacturer number: 7721982; Instalpunt article number: 8016027.

According to the Remeha parts lists, this part fits 4 models, including Remeha Quinta 45 (2025), Remeha Quinta 65 (2025) and Remeha Quinta 90 (2025). 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. Work on gas-carrying parts must be carried out by a qualified gas engineer.

Product information: Remeha GTW-08 Modbus RTU interface 7721982

BrandRemeha spare parts
Remeha manufacturer number7721982
Instalpunt article number8016027
EAN3661238740211
Part typeModbus PCB (All Remeha PCBs and controls · PCBs and controls of all brands)
ApplicationBoiler
Suitable for4 Remeha models (see list)
DeliveryIn stock, delivery in 3–5 working days
Price€ 298,46 incl. VAT
OriginSupplied through the official technical wholesale channel, under Remeha number 7721982

Fits 4 Remeha models

The part Remeha GTW-08 Modbus RTU interface 7721982 is in the official parts list of these Remeha appliances. Click a model for the complete parts list and exploded view.

Remeha Boiler (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.

More spare parts for this appliance

For which fault is a Remeha modbus pcb replaced?

According to the fault code database, these Remeha 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
E 484Damage to one of the 2 fuses of the 24-0-24 Vac input or break in one of the wires of the 24-0-24 Vac supply to the PCB.
E 485The module type set (in menu 6) does not match the one managed by the PCB.

All Remeha 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 Remeha GTW-08 Modbus RTU interface 7721982 fit my appliance?
This part is in the parts list of 4 Remeha models, namely the Quinta 45 (2025), Quinta 65 (2025), Quinta 90 (2025), Quinta 115 (2025). 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 Remeha GTW-08 Modbus RTU interface 7721982?
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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