Component Close Up: Thermistor Resistances C-P

 

Resistances of Thermistors Manufacturers C-P

Following on from "Testing a boiler thermistor" in Thermistors, please use the readings in the table below as an approximate expected multimeter reading of different thermistors from from the respective model as indicated. Manufacturers include Chaffoteaux, Ferroli, Gemini, Glowworm, Halstead, Herman, ICI, Ideal, Johnson and Starley, Keston, Myson, Potterton.

For further readings please click:Thermistor Readings A-B or Thermistor Readings R-W,

 

Manufacturer

Model/Range

Sensor Type

Approx Temperature  °C

Expected Resistance Reading

Approx Temperature °C

Expected Resistance Reading

Chaffoteaux

Britony 80 & 100

NTC Sensor

10

9.9 k

80

630

Chaffoteaux

Britony SE80, SE100

NTC Sensor

10

9.9 k

80

630

Chaffoteaux

Britony system 40 & 60

NTC Sensor

10

9.9 k

80

630

Chaffoteaux

Calydra 80, 100 & 80 MK2

NTC Sensor

10

9.9 k

80

630

Ferroli

 F 30 B & F 24 B

NTC Sensor

20

12 k

80

1.5 k

Ferroli

76FF 77CF  100FF

PTC Sensor

10

890

80

1.5 k

Ferroli

77FF & Popular

PTC Sensor

10

890

80

1.5 k

Ferroli

Domicompact F24 -F30B

NTC Sensor

20

12

80

1.5 k

Ferroli

Domina 80N, 80N DGT & 80e

NTC Sensor

10

20 k

80

1.25 k

Ferroli

Falcon 80 & Falcon II

NTC Sensor

10

20 k

80

1.25 k

Ferroli

Hawk, Hawk II, Xignal

PTC Sensor

10

890

80

1.5 k

Ferroli

Maxima 35c-35s

NTC Sensor

25

10 k

60

2.5 k

Ferroli

Modena 80e & 102

NTC Sensor

0

31 k

100

680

Ferroli

Optima range

PTC Sensor

10

890

80

1.5 k

Ferroli

Optimax

NTC Sensor

25

10 k

60

2.5 k

Ferroli

Sigma FF range

NTC Sensor

20

1 M

80

80 k

Ferroli

Tempra   

NTC Sensor

10

20 k

80

1.25 k

Gemini

960E

NTC Sensor

5

10

 

 

GlowWorm

330+

NTC Sensor

25

10 k

85

1.2 k

GlowWorm

54/4 BBU  &  45/4 BBU

NTC Sensor

20

14 k

80

2.5 k

GlowWorm

Compact 75e, 80e  & 100e

NTC Sensor

25

10 k

80

2.5 k

GlowWorm

Compact 75P, 80P, & 100P

NTC Sensor

25

10 k

80

2.5 k

GlowWorm

Compact system 60ss, 100ss

NTC Sensor

25

10 k

80

2.5 k

GlowWorm

Energysaver 80/100 & 80Mk2/100 Mk2

NTC Sensor

0

35.4 k

80

1.7 k

GlowWorm

Express 80 & Swiftflow 80

NTC Sensor

20

10 k

80

2.5 k

GlowWorm

Flexicom CX

NTC Sensor

10

10k

80

1k

GlowWorm

Flexicom HX

NTC Sensor

20

12k

80

1.4k

GlowWorm

Jaguar 23, 28

NTC Sensor

15

16 k

80

1 k

GlowWorm

Micron

NTC Sensor

20

14 k

80

2.5 k

GlowWorm

Swiftflow 100

NTC Sensor

20

10 k

80

2.5 k

GlowWorm

Swiftflow 125e

NTC Sensor

20

10 k

80

2.5 k

GlowWorm

Swiftflow 75

NTC Sensor

20

10 k

80

2.5 k

GlowWorm

Swiftflow 80e & 100e

NTC Sensor

20

10 k

80

2.5 k

GlowWorm

XI  Range

NTC Sensor

25

10 k

 

 

GlowWorm

Xtra fast 96 & 120

NTC Sensor

10

19.8 k

80

1.2 k

Halstead

Ace HE

NTC Sensor

20

5 k

80

400

Halstead

Best + Wickes

NTC Sensor

20

1 M

 

 

Halstead

Quattro, Quattro Gold, & LPG

NTC Sensor

20

15 k

 

 

Herman 

Eura HE 

NTC Sensor

20

12 k

100

2.5 k

Herman 

Eura HE 

NTC Sensor

20

12 k

100

2.5 k

Herman 

Supermicra 24-30 HE 

NTC Sensor

0

33 k

80

1.3 k

Herman 

Supermicra 24-30 HE 

NTC Sensor

0

33 k

80

1.3 k

HRM Boilers

Quantum DB

NTC Sensor

25

10 k

 

 

ICI Caldaie

Solar 2000

NTC Sensor

20

10 k

 

 

ICI Caldaie

Solar 80E  96E  &      Solar Twin

NTC Sensor

20

10 k

 

 

Ideal

C80FF & C95FF  Wickes C80FF, C95FF

PTC Sensor

20

200 k

80

2.5 k

Ideal

Classic Classic HE9-HE12-HE15 HE18

NTC Sensor

20

10 k

80

1.2 k

Ideal

Europa

NTC Sensor

15

15 k

82

1.5 k

Ideal

Henrad CC80FF  CC100FF CC120FF

NTC Sensor

25

11 k

80

1 k

Ideal

Isar, Icos & Icos system

NTC Sensor

25

9.7 -10.3  k

85

1 k

Ideal

Logic code combi 26,33,38

NTC Sensor

25

10k

80

1.25k

Ideal

Mini

NTC Sensor

15

15 k

82

1.5 k

Ideal

Response 80, 100, 120

NTC Sensor

25

11 k

80

1 k

Ideal

Sprint Rapide RS 75N

NTC Sensor

25

10 k

 

 

Ideal

Systemiser SE

PTC Sensor

20

950

80

12 k

Johnson & Starley

Reno 16H

NTC Sensor

20

10.14 k

80

1.2 k

Johnson & Starley

Reno HE 16S 

NTC Sensor

20

10.14 k

80

1.2 k

Johnson & Starley

Reno HE 31H

NTC Sensor

20

10.14 k

80

1.2 k

Johnson & Starley

Reno HE 31S 

NTC Sensor

20

10.14 k

80

1.2 k

Johnson & Starley

Reno HE 37C 

NTC Sensor

20

10.14 k

80

1.2 k

Keston

C36 Combi

NTC Sensor

20

12k

80

1.5k

Keston

30C

NTC Sensor

25

10k

80

1k

Keston

C40,C40P,C55,C55P

NTC Sensor

25

20 k

80

11 k

Myson

Midas B

NTC Sensor

20

30 k

80

1 k

Myson

Midas Si  & Sfi

PTC Sensor

20

3 k

80

64 k

Potterton

Combi 80, Combi 100

NTC Sensor

20

15 k

80

7 k

Potterton

Envoy

NTC Sensor

20

15 k

80

2 k

Potterton

Kingfisher MF range of boilers

NTC Sensor

25

1.2 M

80

100 k

Potterton

Lynx RS & Lynx 2

NTC Sensor

20

12 k

80

7 k

Potterton

Performa /Performa System

NTC Sensor

25

11 k

 

 

Potterton

Promax FSB 30 HE

Flow O/heat stat

 

 

110

0

Potterton

Promax FSB 30 HE

NTC Sensor

25

20 k

80

500

Potterton

Promax range of boilers

NTC Sensor

20

20 k

80

0.5 k

Potterton

Puma (all models)

NTC Sensor

20

15 k

 

 

Potterton

Suprima range of boilers

NTC Sensor

25

1 m

82

73 k