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header-product Temperature NTC sensor for hot water tank Saunier Duval S0020174087 — replacement part
32.49 €

Temperature NTC sensor for hot water tank Saunier Duval S0020174087 — replacement part

NTC temperature sensor Saunier Duval S0020174087 Photo 1
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Temperature NTC sensor for hot water tank Saunier Duval S0020174087 — replacement part

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Temperature NTC sensor for hot water tank Saunier Duval S0020174087 — replacement part

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Short description

NTC temperature sensor Saunier Duval S0020174087 designed for measuring storage tank (hot water cylinder) temperature. This replacement sensor uses an NTC thermistor to provide temperature feedback to boiler or hot-water system controls. Suitable for maintenance and repair of compatible Saunier Duval water heaters and boilers to ensure accurate temperature regulation and system safety.
Available for order: 22 pcs.
Warranty: 2 Years
SKU: 11825914
Manufacturer: Saunier Duval
free shipment

Cheapest delivery:

Venipak Locker LV

Pick-up points

Venipak Locker LV

Cost

1.89 €

Deliver

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
14.07.2026 {{selectedOffer.officeDeliveryString}}
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Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
17.07.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 €
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Venipak Locker LV / Latvijas Pasts pakomāts / Unisend LV / DPD Paku skapis / Omniva LV / Venipak Pickup LV / Latvijas Pasts nodaļa
17.07.2026 {{selectedOffer.parcelStationDeliveryString}}
From 1.89 €
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Product information

Description

NTC temperature sensor Saunier Duval S0020174087 is a replacement probe designed to measure the temperature inside hot water storage tanks. The sensor uses an NTC thermistor to produce a temperature-dependent resistance signal that is read by the boiler or water heater control electronics. It is intended for use in compatible Saunier Duval systems to restore accurate temperature feedback after sensor failure or during routine maintenance.

Advantages

The sensor offers precise temperature sensing through an NTC thermistor, compact form factor for straightforward installation in tank probe housings, and reliable electrical characteristics for stable communication with Saunier Duval control units. As a direct-replacement style component, it reduces diagnostic time and helps maintain correct hot water stratification and safety functions when integrated into the system.

Suitable for

  • Replacement of faulty temperature probes in compatible Saunier Duval hot water tanks and boilers
  • Maintenance and repair work on domestic hot-water storage systems
  • Restoring accurate temperature feedback for control and safety circuits

Key specifications

  • Sensing element: NTC thermistor type
  • Function: measures storage tank (domestic hot water) temperature
  • Signal output: resistance proportional to temperature (NTC characteristic)
  • Typical mounting: designed for insertion into probe housing or pocket on hot water cylinder
  • Electrical connection: compatible with Saunier Duval boiler control terminals (two-wire connection)
  • Operating environment: intended for use inside domestic hot water tanks or their probe pockets

How to use

Before replacing the sensor, isolate power to the boiler or water heater and close water supply if required by the appliance manual. Remove the tank access panel or probe pocket cap, extract the old sensor and disconnect its wiring, noting the original connection arrangement. Insert the replacement NTC sensor into the probe pocket or designated mounting point, secure it according to the appliance instructions, and reconnect the wiring ensuring firm, correct polarity where applicable. Restore power and run the appliance through a test cycle to verify correct temperature readings and normal operation.

Usage recommendations

Use only in compatible Saunier Duval systems and follow the appliance manufacturer’s service instructions. Replace damaged connectors or seals during installation to preserve water-tightness. If temperature readings remain inconsistent after replacement, verify wiring continuity and input calibration at the control board before assuming sensor fault.

Description

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Customer reviews

Customer questions

FAQ

How much does the NTC temperature sensor Saunier Duval S0020174087 cost, and is it available for purchase?

The price is 32.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 22 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 14.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All Saunier Duval products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Saunier Duval service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.
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14-Day Return Policy We are confident in our quality, but if the purchase doesn’t fit — you have 14 days to return the product with peace of mind.
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