Vaillant Thermistor 252805
Trade-ready part listing Verify SKU, product condition and appliance compatibility before ordering.
Vaillant
SKU N0051-E

Vaillant Ecomax VUW 236E & 286E Thermister NTC Sensor 252805

Vaillant Thermistor 252805 Product Overview The Vaillant Thermistor 252805 is a critical component designed for specific Worcester heating systems. This NTC / Flow Sensor monitors vital sys...
Availability Available to order
Product code N0051-E
Brand Vaillant
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Product information

Technical details

Vaillant Thermistor 252805

Product Overview

The Vaillant Thermistor 252805 is a critical component designed for specific Worcester 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.

Technical Insight & Common Failure Symptoms

Based on service data: Worcester Bosch , Viessmann, vaillant, ATAG, main , megaflo, ferroli, Ravenheat, navien , grundfos, wilo, Heatgeek, Intergas , talon Share your videos with friends, family, and the world.

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: 252805) is designed for models within the Worcester 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.
Vaillant Aqua Plus VUI 362-7 2002-2005
47-044-29
Vaillant Aqua Plus VUI 362-7 R3 2005-2008
47-044-29 (306592)
Vaillant Combi Compact CF VCW GB 240T
47-044-15
Vaillant Combi Compact CF VCW GB 280T
47-044-16
Vaillant Combi Compact FF VCW 242 E 1988-1995
47-044-13
Vaillant Combi Compact FF VCW 282 E 1988-1995
47-044-18
Vaillant Compact BF VCW GB 221T
47-044-14
Vaillant VCW 20/1 T3 WH
47-044-03
Vaillant VCW 25/1 T3 WH
47-044-05
Vaillant VCW Sine 18 T3 WFH
47-044-01
Vaillant Ecomax 613/2 E VU 126/2-C (Condensing System) 2001-2007
41-044-27
Vaillant Ecomax 618/2E VU186/2-C 2001-2007
41-044-28
Vaillant Ecomax 622/2E VU 226/2-C 2001-2007
41-044-29
Vaillant Ecomax 635 E VU356-C 2004-2008
41-044-43
Vaillant Ecomax 635 VU (Condensing System) 2006-2008
20-062-00
Vaillant Ecomax 646 VU (Condensing System) 2006-2008
20-062-01
Vaillant Ecomax 665 VU (Condensing System) 2006-2008
20-062-02
Vaillant Ecomax 824/2E VUW 246/2-C 2001-2007
47-044-12
Vaillant Ecomax 828/2E VUW 286/2-C 2001-2007
47-044-17
Vaillant Ecomax 835E VUW 356-C 2002 -2008
47-044-27
Vaillant Ecomax VU 186 E 1995-2000
41-044-11
Vaillant Ecomax VU 226 E 1995-2000
41-044-12
Vaillant Ecomax VUW 236 EH 1995 -1999
47-044-23
Vaillant Ecomax VUW 286 EH 1995 -1999
47-044-24
Vaillant Thermo Compact VC 221 T1988-1996
41-044-05
Vaillant Thermocompact 615E VU 152/2-5 2000-2001
41-044-23
Vaillant Thermocompact 615E VU 152/2-5 R1 2002-2004
41-044-23-R1
Vaillant Thermocompact 615E VU 152/2-5 R3 2004-2008
41-044-23-R3
Vaillant Thermocompact 620E VU 202/2-5 2000-2001
41-044-24
Vaillant Thermocompact 620E VU 202/2-5 2001-2002
41-044-24 2001-2002
Vaillant Thermocompact 620E VU 202/2-5 R1 2002-2003
41-044-24-R1
Vaillant Thermocompact 620E VU 202/2-5 R2 2003-2004
41-044-24-R2
Vaillant Thermocompact 620E VU 202/2-5 R3 2004-2008
41-044-24-R3
Vaillant Thermocompact 624E VU 242/2-5 2000-20001,
41-044-25
Vaillant Thermocompact 624E VU 242/2-5 2001-2002
41-044-25 2001-2002
Vaillant Thermocompact 624E VU 242/2-5 R1 2002-2003
41-044-25-R1
Vaillant Thermocompact 624E VU 242/2-5 R2 2003-2004
41-044-25-R2
Vaillant Thermocompact 624E VU 242/2-5 R3 2004-2008
41-044-25-R3
Vaillant Thermocompact 628E VU 282/2-5 2000-2001
41-044-26
Vaillant Thermocompact 628E VU 282/2-5 2001-2002
41-044-26-2001-2002
Vaillant Thermocompact 628E VU 282/2-5 R1 2002-2003
41-044-26-R1
Vaillant Thermocompact 628E VU 282/2-5 R2 2003-2004
41-044-26-R2
Vaillant Thermocompact 628E VU 282/2-5 R3 2004-2008
41-044-26-R3
Vaillant Thermocompact 637E VU 362/2-5 2002-2004
41-044-32
Vaillant Thermocompact 637E VU 362/2-5 R3 2004-2008
41-044-32-R3
Vaillant Thermocompact FF VC 112 E 1988-1998
41-044-02
Vaillant Thermocompact FF VC GB 242 E
41-044-07
Vaillant Thermocompact VC 110T 1988-1995
41-044-01
Vaillant Thermocompact VC 110XT 1995-1996
41-044-01 XT
Vaillant Thermocompact VC 142 E 1988-1998
41-044-09
Vaillant Thermocompact VC 180T 1988-1995
41-044-03
Vaillant Thermocompact VC 180XT 1995-1996
41-044-03 XT
Vaillant Thermocompact VC 182 E 1988-1996
41-044-04
Vaillant Thermocompact VC 240T 1988-1995
41-044-06
Vaillant Thermocompact VC 240XT 1995-1996
41-044-06 XT
Vaillant Thermocompact VC 282 E 1988-1996
41-044-10
Vaillant Thermocompact VU 142/1 E -1998 To 2001
41-044-16
Vaillant Thermocompact VU 182 E 1995-1999
41-044-13
Vaillant Thermocompact VU 182/1E 1998-2001
41-044-17
Vaillant Thermocompact VU 242 E1995-1999
41-044-14
Vaillant Thermocompact VU 242/1E 1998-2001
41-044-18
Vaillant Thermocompact VU 282 E1995-1999
41-044-15
Vaillant Thermocompact VU 282/1E 1998-2001
41-044-19
Vaillant Turbomax Plus 824E VUW 242/2-5 2001-2002
47-044-04-2001-2002
Vaillant Turbomax Plus 824E VUW 242/2-5 R1 2002-2003
47-044-04-R1
Vaillant Turbomax Plus 824E VUW 242/2-5 R2 2003-2004
47-044-04-R2
Vaillant Turbomax Plus 824E VUW 242/2-5 R3 2004-2008
47-044-04-R3
Vaillant Turbomax Plus 828E VUW 282/2-5 2001-2002
47-044-09-2001-2002
Vaillant Turbomax Plus 828E VUW 282/2-5 R1 2002-2003
47-044-09-R1
Vaillant Turbomax Plus 828E VUW 282/2-5 R2 2003-2004
47-044-09-R2
Vaillant Turbomax Plus 828E VUW 282/2-5 R3 2004-2008
47-044-09-R3
Vaillant Turbomax Plus 837E VUW 362/2-5 2002-2004
47-044-28
Vaillant Turbomax Plus 837E VUW 362/2-5 R3 2004-2008
47-044-28 R3
Vaillant Turbomax Pro 24E VUW 242/2-3 2001-2002
47-044-10-2001-2002
Vaillant Turbomax Pro 24E VUW 242/2-3 R1 2002-2003
47-044-10-R1
Vaillant Turbomax Pro 24E VUW 242/2-3 R2 2003-2004
47-044-10-R2
Vaillant Turbomax Pro 24E VUW 242/2-3 R3 2004-2008
47-044-10-R3
Vaillant Turbomax Pro 28E VUW 282/2-3 2001-2002
47-044-11-2001-2002
Vaillant Turbomax Pro 28E VUW 282/2-3 R1 2002-2003
47-044-11-R1
Vaillant Turbomax Pro 28E VUW 282/2-3 R2 2003-2004
47-044-11-R2
Vaillant Turbomax Pro 28E VUW 282/2-3 R3 2004-2008
47-044-11-R3
Vaillant Turbomax VUW 242/1E 1998-2001
47-044-02
Vaillant Turbomax VUW 242E 1995-1999
47-044-25
Vaillant Turbomax VUW 282/1E 1998-2001
47-044-06
Vaillant Turbomax VUW 282E 1995-1999
47-044-26