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Ariston DIA 20MI 20MFFI CE NTC Temperature Sensor Thermister 998458 569236
IN STOCK
FROM £11.91
Ariston Sensor Thermister Thermistor 998458-01 was 998458 569236
Product Overview
The Ariston Sensor Thermister Thermistor 998458-01 was 998458 569236 is a critical component designed for specific Ariston heating systems. This NTC / Flow Sensor monitors vital system parameters like temperature and water flow, sending real-time data to the PCB. properly functioning components are vital for the energy efficiency and safety of your boiler.
ℹ️ Product Condition Options:
This part may be available in New, Refurbished, or Compatible conditions. Please select your desired option from the dropdown menu above. All refurbished parts are professionally tested to ensure reliability.
This part may be available in New, Refurbished, or Compatible conditions. Please select your desired option from the dropdown menu above. All refurbished parts are professionally tested to ensure reliability.
Technical Insight & Common Failure Symptoms
Based on service data: Ariston Another customer shared the classic symptoms of thermistor failure that
Replacing this part often resolves the following issues:
- Restores reliable system operation and eliminates fault codes.
- Resolves specific failure symptoms such as component malfunction.
- Ensures safety compliance and efficient boiler performance.
Compatibility
This part (MPN: 569236) is designed for models within the Ariston range. Please strictly verify the part number against your boiler's technical manual before ordering to guarantee fitment.
Safety Advice: Boiler parts involve gas, water, and electricity. Installation must be carried out by a Gas Safe registered engineer.
This part fits the following boilers:
Fits Appliance(s)
GC No.
Ariston ACO 27 MFFI (Edition 1 June 2004)
Ariston ACO 27 MFFI GPL (Edition 4 April 2008)
Ariston ACO 27 MFFI GPL (Edition 6 December 2010)
Ariston ACO 27 MFFI MET (Edition 4 April 2008)
Ariston ACO 27 MFFI MET (Edition 6 December 2010)
Ariston ACO 32 MFFI (Edition 1 June 2004)
Ariston ACO 32 MFFI GPL (Edition 4 April 2008)
Ariston ACO 32 MFFI GPL (Edition 6 December 2010)
Ariston ACO 32 MFFI MET (Edition 4 April 2008)
Ariston ACO 32 MFFI MET (Edition 6 December 2010)
Ariston ACO 35 HP MFFI R8215284-01EN - Edition 01 - 02/01/2006
Ariston DIA 20 MFFI CE EDITION1
Ariston DIA 20 MFFI CE EDITION2
Ariston DIA 24 MFFI CE EDITION1
Ariston DIA 24 MFFI CE EDITION2
Ariston DIA System 27 RFFI
Ariston Eco Combi 27 MFFI
Ariston Ecogenus 24 MFFI (From Serial No 2320219000001)
Ariston Ecogenus 24 MFFI EDITION1
Ariston Ecogenus 24 MFFI EDITION2
Ariston Ecogenus 24 MFFI EDITION3
Ariston Ecogenus 24 RFFI System
Ariston Ecogenus 24 RFFI System (From Serial No 2319933800115 To 2320219000001)
Ariston Ecogenus 24 RFFI System EDITION2
Ariston Eurocombi A23 MFFI EDITION1
Ariston Eurocombi A23 MFFI EDITION2
Ariston Eurocombi A23 MFFI UK EDITION3
Ariston Eurocombi A27 MFFI EDITION1
Ariston Eurocombi A27 MFFI EDITION2
Ariston Eurocombi A27 MFFI UK EDITION3
Ariston Excalibur 100
Ariston Excalibur 80
Ariston Genus 23 MFFI UK EDITION1
Ariston Genus 23 MFFI UK EDITION2
Ariston Genus 23 MFFI UK EDITION3
Ariston Genus 27 BFFI Plus Edition 1
Ariston Genus 27 BFFI Plus Edition 2
Ariston Genus 27 BFFI Plus Edition 3
Ariston Genus 27 BFFI Plus Edition 4
Ariston Genus 27 BFFI UK Edition 1
Ariston Genus 27 BFFI UK Edition 3
Ariston Genus 27 MFFI UK Edition 1 Serial No To 983610060
Ariston Genus 27 MFFI UK Edition 2 Serial No From 231983610060 To 2320004900093
Ariston Genus 27 MFFI UK Edition 3 Serial No 2320004900093 To -
Ariston Genus 27 RFFI System Edition 1 Serial No To 983610070
Ariston Genus 27 RFFI System Edition 2 Serial No 983610070
Ariston Genus 27 RFFI System Edition 3 Serial No From 2320007700003 -
Ariston Genus 30 MFFI UK EDITION1
Ariston Genus 30 MFFI UK EDITION2
Ariston Intesa 23 MFFI
Ariston Intesa 30 MFFI
Ariston Microcombi 23 MFFI Edition 1(From Serial No 2320018200001 To 2320033400001)
Ariston Microcombi 23 MFFI Edition 2 (From Serial No 2320033400001 To 2320101500001)
Ariston Microcombi 23 MFFI Edition 3 (From Serial No 232010500001 To 2320209500001)
Ariston Microcombi 23 MFFI Edition 4 (From Serial No 2320209500001)
Ariston Microcombi 27 MFFI Edition 1 Revision 1(From Serial No 232309500001 To 2320021400002)
Ariston Microgenus 11 24 MFFI
Ariston Microgenus 11 24 MFFI Edition 3 (From Serial No 2320436400001)
Ariston Microgenus 11 28 MFFI
Ariston Microgenus 11 28 MFFI Edition 3 (From Serial No 2320436400001)
Ariston Microgenus 11 31 MFFI
Ariston Microgenus 11 31 MFFI Edition 3 (From Serial No 2320436400001)
Ariston Microgenus 23 MFFI Edition 1 (To Serial No 2320005600001)
Ariston Microgenus 23 MFFI Edition 2 (From Serial No 2320005600001 To 2320021400002)
Ariston Microgenus 23 MFFI Edition 3 (From Serial No 2320021400002 To 2320219000001)
Ariston Microgenus 23 MFFI Edition 4 (From Serial No 2320219000001 To 2320409200001)
Ariston Microgenus 23 MFFI Edition 5 (From Serial No 2320409200001)
Ariston Microgenus 27 MFFI Edition 1 (To Serial No 2320005600001)
Ariston Microgenus 27 MFFI Edition 2 (From Serial No 2320005600001 To 2320021400002)
Ariston Microgenus 27 MFFI Edition 3 (From Serial No 2320021400002 To 2320219000001)
Ariston Microgenus 27 MFFI Edition 4 (From Serial No 2320219000001 To 2320409200001)
Ariston Microgenus 27 MFFI Edition 5 (From Serial No 2320409200001)
Ariston Microgenus HE 24MFFI
Ariston Microgenus HE 28MFFI
Ariston Microgenus HE 32MFFI
47-116-34 (2320412000001)
47-116-34 GPL
47-116-34 GPL EDITION 6
47-116-34 MET
47-116-34 MET EDITION 6
47-116-35 (2320412000001)
47-116-35 GPL
47-116-35 GPL EDITION 6
47-116-35 MET
47-116-35 MET EDITION 6
47-116-36
47-116-03
47-116-03A
47-116-04
47-116-04A
41-116-02
47-116-23
47-116-17
47-116-17 EDITION 1
47-116-17 EDITION 2
47-116-17 EDITION 3
41-166-03
41-116-03
41-166-03B
47-116-10
47-116-10A
47-116-18
47-116-12
47-116-12A
47-116-19
47-116-31
47-116-30
47-116-08
47-116-08A
47-116-08B
47-116-11
47-116-11 EDITION 2
47-116-11 EDITION 3
47-116-11 EDITION 4
47-116-11C
47-116-11D
47-116-09
47-116-09A
47-116-09B
41-116-01
41-116-01A
41-116-01B
47-116-13
47-116-20
47-116-32
47-116-33
47-116-16
47-116-16 ED 2
47-116-16 ED 3
47-116-16 ED 4
47-116-24 ED 1
47-116-25
47-116-25 ED 3
47-116-26
47-116-26 ED 3
47-116-27
47-116-27 ED 3
47-116-14
47-116-14 ED 2
47-116-14 ED 3
47-116-14 ED 4
47-116-14 ED 5
47-116-15
47-116-15 ED 2
47-116-15 ED 3
47-116-15 ED 4
47-116-15 ED 5
47-116-37
47-116-38
47-116-39
Delivery
Free next day UK delivery is available on orders over £50.
Orders placed before 3 PM are usually dispatched the same working day.
Delivery times may vary for remote areas, Highlands, islands, and non-mainland UK destinations.
If you need urgent delivery help, please contact our customer service team before placing your order.
All Orders First 30 Days:
You can return or cancel your orders for any reason at any time within 30 days of receipt. After 30 days, we reserve the right to charge a restocking fee or refuse the return.
Parts must be returned in the same condition and packaging as received, or we may deduct a percentage of the cost of the part.
A full refund or exchange will be agreed once the item(s) have been received and inspected to ensure they are unused and in their original packaging where applicable.
If the part is returned as faulty and is found to be working upon inspection, postage costs will be deducted from the refund.
Faulty Items After 30 Days:
All items come with a 1 year HTS warranty from the date of purchase. Warranty means HTS will repair or replace the item.
Refunds:
Our returns team will process your refund after we receive and check your items. Please allow up to 15 days for your refund to be processed.
The refund will be made to the original payment method used to place the order.
Contact Us:
For any queries, email us at returns@heatingtradesupplies.com or call +44 01912633708.
Customer Services
National Boiler Spares Ltd
Tyne View Terrace
Wallsend
Tyne and Wear
NE28 6SG
