Halstead Thermistors
The thermistor increases the circuit resistance as it gets colder The PCB sends a current to the thermistor and can tell whether more or less heat is needed by the resistance in the thermistor.

HALSTEAD 500590 CROSSLAND 10 OHM THERMISTOR
Part No: 1292386 MPN: 500590
£78.00 inc VAT
In stock - Next day delivery available

HALSTEAD 500661 SENSOR
Part No: 1296766 MPN: 500661
£17.75 inc VAT
In stock - Next day delivery available

HALSTEAD 500663 WATER TEMP SENSOR
Part No: 1296804 MPN: 500663
Sorry, this part is now obsolete
View Part Details
HALSTEAD 550513 THERMISTOR
Part No: 1292582 MPN: 550513
Sorry, this part is now obsolete
View Part Details
HALSTEAD 550530 BOILER SENSOR
Part No: 1292622 MPN: 550530
Sorry, this part is now obsolete
View Part Details
HALSTEAD R10027351 SENSOR NTC
Part No: 1298066 MPN: R10027351
Sorry, this part is now obsolete
View Part DetailsHALSTEAD 082610421 FLAME SENSING PROBE I BBU57041
Part No: 1297468 MPN: 082610421
Sorry, this part is now obsolete
View Part DetailsHALSTEAD ED801910 DOMESTIC HOT WATER SENSOR
Part No: 1296610 MPN: ED801910
Sorry, this part is now obsolete
View Part Details
HALSTEAD 862028 DHW THERMISTOR
Part No: 1293942 MPN: 862028
Sorry, this part is now obsolete
View Part Details
Free UK DeliveryHALSTEAD 500648 NTC THERMISTOR
Part No: 1299798 MPN: 500648
£152.40 inc VAT
In stock - Next day delivery available
HALSTEAD ED801911 SYSTEM PRESSURE SENSOR
Part No: 1296614 MPN: ED801911
Sorry, this part is now obsolete
View Part DetailsHALSTEAD BK801787 THERMISTOR BFF80
Part No: 1294862 MPN: BK801787
Sorry, this part is now obsolete
View Part DetailsHALSTEAD 101014 SENSOR L C/W PROBE PLATE
Part No: 1290050 MPN: 101014
Sorry, this part is now obsolete
View Part DetailsHALSTEAD 101015 SENSOR S C/W PROBE PLATE
Part No: 1290054 MPN: 101015
Sorry, this part is now obsolete
View Part DetailsHALSTEAD BK801788 THERMISTOR BFF40/50/60/100/115
Part No: 1294866 MPN: BK801788
Sorry, this part is now obsolete
View Part Details