Vaillant Boiler NTC Sensor 193592

Vaillant Boiler NTC Sensor (193592) The Vaillant Boiler NTC Sensor (Part No: 193592) is a high-precision, clip-on Negative Temperature Coefficient thermistor engineered to continuously track fluid thermal dynamics within the primary heating flow and return pipe lines. This crucial electronic monitor registers structural variations in thermodynamic levels by altering its internal electrical resistance: as the primary water temperature rises, its sensor circuit resistance drops proportionally. The central Printed Circuit Board (PCB) evaluates these micro-ohm shifts in real time to dynamically modulate the gas valve output and burner fan speeds, stabilizing operational efficiency, preventing system short-cycling, and enforcing critical safety cut-off routines if internal system overheating is detected. Dynamic Thermal Modulation: Delivers immediate, continuous fluid temperature feedback to the central PCB, allowing the burner loop to smoothly scale its thermal load output without overshooting design thresholds. Corrosion-Resistant Contact Clip: Features a heavy-duty, spring-tensioned mounting bracket that secures a flush, vibration-proof physical seat against standard internal copper tailpipes, ensuring high thermal transfer without requiring fluid line draining. Rapid Response Tracking: Designed with an optimized, low-mass sensing probe housing that reacts to immediate structural water temperature spikes, instantly triggering safety lockouts before the secondary heat exchanger experiences stress. System Stability Preservation: Replaces worn or tracking thermistors that cause false resistance readouts, successfully resolving common boiler lockouts, random flame cutting, and standard Vaillant F.22, F.23, or F.24 temperature-differential fault codes. Compatible Models: Vaillant Ecofit Pure 412 VU 126/6-3 Ov (H-GB) — 41-694-08 (0010020400) Vaillant Ecofit Pure 415 VU 156/6-3 Ov (H-GB) — 41-694-09 (0010020401) Vaillant Ecofit Pure 418 VU 186/6-3 Ov (H-GB) — 41-694-10 (0010020402) Vaillant Ecofit Pure 425 VU 256/6-3 Ov (H-GB) — 41-694-11 (0010020403) Vaillant Ecofit Pure 430 VU 306/6-3 Ov (H-GB) — 41-694-12 (0010020404) Vaillant Ecofit Pure 435 VU 356/6-3 Ov (H-GB) — 41-694-19 (0010020405) Vaillant Ecofit Pure 612 System VU 126/6-3 (H-GB) — 41-694-03 (0010020395) Vaillant Ecofit Pure 615 System VU 156/6-3 (H-GB) — 41-694-04 (0010020396) Vaillant Ecofit Pure 618 System VU 186/6-3 (H-GB) — 41-694-05 (0010020397) Vaillant Ecofit Pure 630 System VU 306/6-3 (H-GB) — 41-694-07 (0010020399) Vaillant Ecofit Pure 825 Combi VUW 256/6-3 (H-GB) — 47-044-68 Vaillant Ecofit Pure 830 Combi VUW 306/6-3 (H-GB) — 47-044-74 Vaillant Ecofit Pure 835 Combi VUW 356/6-3 (H-GB) — 47-044-70 Vaillant Sustain 825 VUW 256/6-3 (H-GB) — 47-044-71 Vaillant Sustain 830 VUW 306/6-3 (H-GB) — 47-044-72 Vaillant Sustain 835 VUW 356/6-3 (H-GB) — 47-044-73 Vaillant Ecotec Exclusive 832 VUW 32/4 2007-2016 — 47-044-37 Vaillant Ecotec Exclusive 835 VUW 356/5-7 — 47-044-66 Vaillant Ecotec Exclusive 838 VUW 386/4 2007-2016 — 47-044-38 Vaillant Ecotec Exclusive 843 VUW 436/5-7 — 47-044-67 Vaillant Ecotec Plus 412 VU 126/6-5 Ov 2015-2016 — 41-044-71 Vaillant Ecotec Plus 412 VU 126/6-5 OVZ 2016-2019 — 41-694-13 (0010021220) Vaillant Ecotec Plus 415 VU 156/2-OH 2006-2015 — 41-044-53 Vaillant Ecotec Plus 415 VU 156/6-5 Ov 2015-2016 — 41-044-72 Vaillant Ecotec Plus 415 VU 156/6-5 OVZ 2016-2019 — 41-694-14 (0010021221) Vaillant Ecotec Plus 418 VU 186/2-OH 2006-2015 — 41-044-54 Vaillant Ecotec Plus 418 VU 186/6-5 Ov 2015-2016 — 41-044-73 Vaillant Ecotec Plus 418 VU 186/6-5 OVZ 2016-2019 — 41-694-15 (0010021222) Vaillant Ecotec Plus 424 VU 246/6-5 Ov 2015-2016 — 41-044-74 Vaillant Ecotec Plus 424 VU 246/6-5 OVZ 2016-2019 LPG — 41-694-18 (0020231355) Vaillant Ecotec Plus 424 VU 246/6-5 OVZ 2016-2019 NG — 41-694-16 (0010021223) Vaillant Ecotec Plus 428 VU 286/2-OH 2006-2015 — 41-044-55 Vaillant Ecotec Plus 430 VU 306/6-5 Ov 2015-2016 — 41-044-75 Vaillant Ecotec Plus 430 VU 306/6-5 OVZ 2016-2019 — 41-694-17 (0010021224) Vaillant Ecotec Plus 435 VU 356/6-5 OVZ 2016-2019 — 41-044-76 (0010015674) Vaillant Ecotec Plus 438 2006-2016 — 41-044-57 Vaillant Ecotec Plus 612 VU 126/3-5 2005-2005 — 41-044-44 Vaillant Ecotec Plus 612 VU 126/3-5 R1 2005-2012 — 41-044-44 R1 Vaillant Ecotec Plus 612 VU 126/5-5 2012-2012 — 41-044-60 Vaillant Ecotec Plus 612 VU 126/5-5 A R4 2015 Onwards — 41-044-78 Vaillant Ecotec Plus 612 VU 126/5-5 R 6 2017 Onwards — 41-694-20 R6 (0010021828) Vaillant Ecotec Plus 612 VU 126/5-5 R1 2012-2013 — 41-044-60 R1 Vaillant Ecotec Plus 612 VU 126/5-5 R2 2013-2015 — 41-044-60 R2 Vaillant Ecotec Plus 612 VU 126/5-5 R4 2015-2015 — 41-044-60 R4 Vaillant Ecotec Plus 612, 615, 618, 624, 630, 637 — ECOTEC PLUS 612, 615, 618, 624, 630, 637 Vaillant Ecotec Plus 615 VU 156/3-5 2005-2005 — 41-044-45 Vaillant Ecotec Plus 615 VU 156/3-5 R1 2005-2012 — 41-044-45 R1 Vaillant Ecotec Plus 615 VU 156/5-5 2012-2012 — 41-044-61 Vaillant Ecotec Plus 615 VU 156/5-5 A R4 2015 Onwards — 41-044-79 Vaillant Ecotec Plus 615 VU 156/5-5 R 6 2017 Onwards — 41-694-21 R6 (0010021829) Vaillant Ecotec Plus 615 VU 156/5-5 R1 2012-2013 — 41-044-61 R1 Vaillant Ecotec Plus 615 VU 156/5-5 R2 2013-2015 — 41-044-61 R2 Vaillant Ecotec Plus 615 VU 156/5-5 R4 2015-2015 — 41-044-61 R4 Vaillant Ecotec Plus 618 VU 186/3-5 2005-2005 — 41-044-46 Vaillant Ecotec Plus 618 VU 186/3-5 R1 2005-2012 — 41-044-46 R1 Vaillant Ecotec Plus 618 VU 186/5-5 2012-2012 LPG — 41-044-66 Vaillant Ecotec Plus 618 VU 186/5-5 2012-2012 NG — 41-044-62 Vaillant Ecotec Plus 618 VU 186/5-5 A R4 2015 Onwards LPG — 41-044-81 Vaillant Ecotec Plus 618 VU 186/5-5 A R4 2015 Onwards NG — 41-044-80 Vaillant Ecotec Plus 618 VU 186/5-5 R 6 2017 Onwards LPG — 41-694-23 R6 (0010021831) Vaillant Ecotec Plus 618 VU 186/5-5 R 6 2017 Onwards NG — 41-694-22 R6 (0010021830) Vaillant Ecotec Plus 618 VU 186/5-5 R1 2012-2013 LPG — 41-044-66 R1 Vaillant Ecotec Plus 618 VU 186/5-5 R1 2012-2013 NG — 41-044-62 R1 Vaillant Ecotec Plus 618 VU 186/5-5 R2 2013-2015 LPG — 41-044-66 R2 Vaillant Ecotec Plus 618 VU 186/5-5 R2 2013-2015 NG — 41-044-62 R2 Vaillant Ecotec Plus 618 VU 186/5-5 R4 2015-2015 LPG — 41-044-66 R4 Vaillant Ecotec Plus 618 VU 186/5-5 R4 2015-2015 NG — 41-044-62 R4 Vaillant Ecotec Plus 624 VU 246/3-5 2005-2005 — 41-044-47 Vaillant Ecotec Plus 624 VU 246/3-5 R1 2005-2012 — 41-044-47 R1 Vaillant Ecotec Plus 624 VU 246/5-5 2012-2012 — 41-044-63 Vaillant Ecotec Plus 624 VU 246/5-5 A R4 2015 Onwards — 41-044-82 Vaillant Ecotec Plus 624 VU 246/5-5 R 6 2017 Onwards — 41-694-24 R6 (0010021832) Vaillant Ecotec Plus 624 VU 246/5-5 R1 2012-2013 — 41-044-63 R1 Vaillant Ecotec Plus 624 VU 246/5-5 R2 2013-2015 — 41-044-63 R2 Vaillant Ecotec Plus 624 VU 246/5-5 R4 2015-2015 — 41-044-63 R4 Vaillant Ecotec Plus 630 VU 306/3-5 2005-2005 — 41-044-48 Vaillant Ecotec Plus 630 VU 306/3-5 R1 2005-2012 — 41-044-48 R1 Vaillant Ecotec Plus 630 VU 306/5-5 2012-2012 LPG — 41-044-67 Vaillant Ecotec Plus 630 VU 306/5-5 2012-2012 NG — 41-044-64 Vaillant Ecotec Plus 630 VU 306/5-5 A R4 2015 Onwards LPG — 41-044-84 Vaillant Ecotec Plus 630 VU 306/5-5 A R4 2015 Onwards NG — 41-044-83 Vaillant Ecotec Plus 630 VU 306/5-5 R 6 2017 Onwards LPG — 41-694-26 R6 (0010021834) Vaillant Ecotec Plus 630 VU 306/5-5 R 6 2017 Onwards NG — 41-694-25 R6 (0010021833) Vaillant Ecotec Plus 630 VU 306/5-5 R1 2012-2013 LPG — 41-044-67 R1 Vaillant Ecotec Plus 630 VU 306/5-5 R1 2012-2013 NG — 41-044-64 R1 Vaillant Ecotec Plus 630 VU 306/5-5 R2 2013-2014 LPG — 41-044-67 R2 Vaillant Ecotec Plus 630 VU 306/5-5 R2 2013-2014 NG — 41-044-64 R2 Vaillant Ecotec Plus 630 VU 306/5-5 R4 2015-2015 LPG — 41-044-67 R4 Vaillant Ecotec Plus 630 VU 306/5-5 R4 2015-2015 NG — 41-044-64 R4 Vaillant Ecotec Plus 637 VU 376/3-5 R1 2006-2012 — 41-044-52 Vaillant Ecotec Plus 637 VU 376/5-5 2012-2012 — 41-044-65 Vaillant Ecotec Plus 637 VU 376/5-5 A R4 2015 Onwards — 41-044-85 Vaillant Ecotec Plus 637 VU 376/5-5 R1 2012-2013 — 41-044-65 R1 Vaillant Ecotec Plus 637 VU 376/5-5 R2 2013-2014 — 41-044-65 R2 Vaillant Ecotec Plus 637 VU 376/5-5 R4 2015-2015 — 41-044-65 R4 Vaillant Ecotec Plus 637 VU 386/5-5 R 6 2017 Onwards — 41-694-27 R6 (0010021835) Vaillant Ecotec Plus 824 VUW 246/3-5 2005-2012 — 47-044-31 Vaillant Ecotec Plus 824 VUW 246/3-5 R1 2005-2011 — 47-044-31 R1 Vaillant Ecotec Plus 824 VUW 246/3-5 R3 2011-2012 — 47-044-31 R2 Vaillant Ecotec Plus 824 VUW 246/5-5 2012-2012 — 47-044-40 Vaillant Ecotec Plus 824 VUW 246/5-5 R1 2012-2013 — 47-044-40 R1 Vaillant Ecotec Plus 824 VUW 246/5-5 R2 2013-2015 — 47-044-40 R2 Vaillant Ecotec Plus 824 VUW 246/5-5 R4 2015-2015 — 47-044-40 R4 Vaillant Ecotec Plus 825 VUW 196/5-5 R6 2017 Onwards — 47-044-83 R6 (0010021823) Vaillant Ecotec Plus 825 VUW 256/5-5 R4 2015 Onwards — 47-044-57 Vaillant Ecotec Plus 831 VUW 316/3-5 2005-2013 — 47-044-32 Vaillant Ecotec Plus 831 VUW 316/3-5 R1 2005-2011 — 47-044-32 R1 Vaillant Ecotec Plus 831 VUW 316/3-5 R3 2011-2012 — 47-044-32 R3 Vaillant Ecotec Plus 831 VUW 316/3-5 R5 2013-2013 — 47-044-32 R5 Vaillant Ecotec Plus 831 VUW 316/5-5 2012-2012 LPG — 47-044-46 Vaillant Ecotec Plus 831 VUW 316/5-5 2012-2012 NG — 47-044-41 Vaillant Ecotec Plus 831 VUW 316/5-5 R1 2012-2013 LPG — 47-044-46 R1 Vaillant Ecotec Plus 831 VUW 316/5-5 R1 2012-2013 NG — 47-044-41 R1 Vaillant Ecotec Plus 831 VUW 316/5-5 R2 2013-2015 LPG — 47-044-46 R2 Vaillant Ecotec Plus 831 VUW 316/5-5 R2 2013-2015 NG — 47-044-41 R2 Vaillant Ecotec Plus 831 VUW 316/5-5 R4 2015-2015 LPG — 47-044-46 R4 Vaillant Ecotec Plus 831 VUW 316/5-5 R4 2015-2015 NG — 47-044-41 R4 Vaillant Ecotec Plus 832 VUW 246/5-5 R6 2017 Onwards LPG — 47-044-85 R6 (0010021825) Vaillant Ecotec Plus 832 VUW 246/5-5 R6 2017 Onwards NG — 47-044-84 R6 (0010021824) Vaillant Ecotec Plus 832 VUW 326/5-5 R4 2015 Onwards — 47-044-58 Vaillant Ecotec Plus 835 VUW 306/5-5 R6 2017 Onwards — 47-044-82 R6 (0010021822) Vaillant Ecotec Plus 835 VUW 356/5-5 R4 2015 Onwards — 47-044-53 Vaillant Ecotec Plus 837 VUW 376/3-5 R1 2006-2011 — 47-044-33 R1 Vaillant Ecotec Plus 837 VUW 376/3-5 R3 2011-2012 — 47-044-33 R3 Vaillant Ecotec Plus 837 VUW 376/5-5 2012-2012 — 47-044-42 Vaillant Ecotec Plus 837 VUW 376/5-5 R1 2012-2013 — 47-044-42 R1 Vaillant Ecotec Plus 837 VUW 376/5-5 R2 2013-2014 — 47-044-42 R2 Vaillant Ecotec Plus 837 VUW 376/5-5 R4 2014-2015 — 47-044-42 R4 Vaillant Ecotec Plus 838 VUW 286/5-5 R6 2017 Onwards — 47-044-86 R6 (0010021826) Vaillant Ecotec Plus 838 VUW 386/5-5 R4 2015 Onwards — 47-044-60 Vaillant Ecotec Plus 937 VUI 376/5-5 2012-2012 — 47-044-43 Vaillant Ecotec Plus 937 VUI 376/5-5 R1 2012-2013 — 47-044-43 R1 Vaillant Ecotec Plus 937 VUI 376/5-5 R2 2013-2014 — 47-044-43 R2 Vaillant Ecotec Plus 937 VUI 376/5-5 R4 2014-2015 — 47-044-43 R4 Vaillant Ecotec Plus 938 VUI 286/5-5 R6 2017 Onwards — 47-044-87 R6 (0010021827) Vaillant Ecotec Plus 938 VUI 386/5-5 R4 2015 Onwards — 47-044-61 R4 Vaillant Ecotec Pro 22 VU 226/5-3 A R4 (Guernsey/Jersey) — 10018497 Vaillant Ecotec Pro 22 VU 226/5-3 R4 (Guernsey/Jersey) — 10015190 Vaillant Ecotec Pro 24 VUW 246/3-3 R1 2006-2008 — 47-044-36 R1 Vaillant Ecotec Pro 24 VUW 246/3-3 R2 2008-2012 — 47-044-36 R2 Vaillant Ecotec Pro 24 VUW 246/5-3 2012-2012 — 47-044-44 Vaillant Ecotec Pro 24 VUW 246/5-3 R1 2012-2013 — 47-044-44 R1 Vaillant Ecotec Pro 24 VUW 246/5-3 R2 2013-2015 — 47-044-44 R2 Vaillant Ecotec Pro 24 VUW 246/5-3 R4 (2015-2017) — 47-044-54 Vaillant Ecotec Pro 24 VUW 246/5-3 R4 2015-2015 — 47-044-44 R4 Vaillant Ecotec Pro 24 VUW 246/5-3 R6 2017 Onwards — 47-044-88 (0010021836) Vaillant Ecotec Pro 28 VUW 286/3-3 R1 2005-2008 — 47-044-30 R1 Vaillant Ecotec Pro 28 VUW 286/3-3 R2 2008-2012 — 47-044-30 R2 Vaillant Ecotec Pro 28 VUW 286/5-3 2012-2012 LPG — 47-044-47 Vaillant Ecotec Pro 28 VUW 286/5-3 2012-2012 NG — 47-044-45 Vaillant Ecotec Pro 28 VUW 286/5-3 R1 2012-2013 LPG — 47-044-47 R1 Vaillant Ecotec Pro 28 VUW 286/5-3 R1 2012-2013 NG — 47-044-45 R1 Vaillant Ecotec Pro 28 VUW 286/5-3 R2 2013-2015 LPG — 47-044-47 R2 Vaillant Ecotec Pro 28 VUW 286/5-3 R2 2013-2015 NG — 47-044-45 R2 Vaillant Ecotec Pro 28 VUW 286/5-3 R4 2015-2017 — 47-044-55 (0010018495) Vaillant Ecotec Pro 28 VUW 286/5-3 R4 2015-2017 LPG — 47-044-56 (0010018496) Vaillant Ecotec Pro 28 VUW 286/5-3 R4 2015-2015 LPG — 47-044-47 R4 Vaillant Ecotec Pro 28 VUW 286/5-3 R4 2015-2015 NG — 47-044-45 R4 Vaillant Ecotec Pro 28 VUW 286/5-3 R6 2017 Onwards — 47-044-89 (0010021837) Vaillant Ecotec Pro 28 VUW 286/5-3 R6 LPG 2017 Onwards — 47-044-90 (0010021838) Vaillant Ecotec Pro 30 VUW 306/5-3 R4 (2015 Onwards) — 47-044-52 Vaillant Exclusive 627 VU 256/5-7 — 41-694-02 Vaillant Sustain 24 VUW 246/7-2 — 47-044-79 Vaillant Sustain 28 VUW 286/7-2 — 47-044-80 Vaillant Sustain 34 VUW 346/7-2 — 47-044-81 Vaillant Ecotec Plus VU GB 446/5-5 H — 41-694-28 (0010021520) Vaillant Home Combi 25 -A — 47-044-62 Vaillant Home Combi 30 -A — 47-044-63 Vaillant Home Combi 35 -A — 47-044-64 Vaillant Home Regular 12 -A — 41-044-88 Vaillant Home Regular 15 -A — 41-044-89 Vaillant Home Regular 18 -A — 41-044-90 Vaillant Home Regular 25 -A — 41-044-92 Vaillant Home Regular 30 -A — 41-044-93 Vaillant Home System 12 -A — 41-044-94 Vaillant Home System 15 -A — 41-044-95 Vaillant Home System 18 -A — 41-044-96 Vaillant Home System 25 -A — 41-044-97 Vaillant D02811VL-01