Wells / Immersion Wells / Thermowells

Wells and Thermowells protect temperature sensors in hydronic systems from harsh conditions while ensuring accurate readings. These protective tubes extend sensor life and allow safe maintenance without system shutdown. Jackson Systems stocks Wells in multiple lengths and thread sizes – find the exact fit for your hydronic application today.

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T-Piece with Thermowell, 1-1/2″ Pipe Size

Belimo

SKU: A-22PE-A13
$63.77
MSRP: $73.34
You save 15%
Belimo A-22PE-A13 T-Piece with Thermowell 1-1/2" quantity
Stainless Steel Thermowell, 6″ Insertion Length, 1/2″ NPT

Belimo

SKU: A-22P-A09
$25.07
MSRP: $28.83
You save 13%
Belimo A-22P-A09 Stainless Steel Thermowell 6" Insertion 1/2" NPT quantity
Thermowell Stainless Steel 1/2″ NPT 100MM

Belimo

SKU: A-22P-A07
$21.11
MSRP: $24.28
You save 15%
Belimo A-22P-A07 Thermowell Stainless Steel 1/2" NPT 100MM quantity
Passive NTC10k3 Temperature Sensor, 8″ Immersion

Belimo

SKU: 01DT-5MP
$21.37
MSRP: $24.58
You save 13%
Belimo 01DT-5MP Passive NTC10k3 Temperature Sensor 8" Immersion quantity
Passive NTC10k Temperature Sensor, 4″ Immersion

Belimo

SKU: 01DT-5LL
$21.90
MSRP: $25.19
You save 13%
Belimo 01DT-5LL Passive NTC10k Temperature Sensor 4" Immersion quantity
Temperature Sensor, 4″ Immersion

Schneider Electric

SKU: ETI800-4
$24.53
MSRP: $28.21
You save 15%
Schneider Electric (Barber Colman) ETI800-4 Temperature Sensor, 4" Immersion quantity
Temperature Sensor, 4″ Immersion, 10K Ohm

Schneider Electric

SKU: ETI500-4
$22.50
MSRP: $25.88
You save 13%
Schneider Electric (Barber Colman) ETI500-4 Temperature Sensor, 4" Immersion, 10K Ohm quantity
Immersion Temperature Sensor with 2.5″ Probe

Auburn

SKU: E5-I-10-25
$67.66
MSRP: $77.81
You save 13%
Auburn E5-I-10-25 Immersion Temperature Sensor 2.5" Probe quantity
18″ Solid SS Liquid Level Electrode Probe, 1/4″ Dia, 1/4-20 Thread

Auburn

SKU: E5-1420-18
$27.75
MSRP: $31.91
You save 13%
Auburn E5-1420-18 18" Solid Stainless Steel Liquid Level Electrode Probe quantity
Immersion temp sensor with 4″ galvanized well & 1/2″ NPT threads

Automation Components Inc (ACI)

SKU: A/AN-I-4-GD
$49.48
MSRP: $56.90
You save 13%
ACI A/AN-I-4-GD Immersion Temperature Sensor, 4" Galvanized Well, 1/2" NPT quantity
10kOhm thermistor sensor with 4″ immersion well and enclosure

Automation Components Inc (ACI)

SKU: 123394
$51.51
MSRP: $59.24
You save 13%
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10kOhm thermistor with 2.5″ well mount and enclosure

Automation Components Inc (ACI)

SKU: 123389
$51.51
MSRP: $59.24
You save 13%
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10kOhm thermistor well-mount sensor with 2.5″ enclosure

Automation Components Inc (ACI)

SKU: 122063
$48.96
MSRP: $56.30
You save 13%
ACI 122063 10kOhm Thermistor Well Sensor with 2.5" Enclosure quantity
10kOhm thermistor well-mount temperature sensor, 4″ insertion

Automation Components Inc (ACI)

SKU: 121469
$63.99
MSRP: $73.59
You save 15%
ACI 121469 10kOhm Thermistor Well Sensor 4" with Enclosure quantity
20kOhm encapsulated thermistor well sensor with 4″ insertion depth

Automation Components Inc (ACI)

SKU: 119657
$48.96
MSRP: $56.30
You save 13%
ACI 119657 20kOhm Thermistor Well Sensor 4" Encapsulated quantity
1kOhm 2-wire well-mount temperature sensor with 4″ enclosure

Automation Components Inc (ACI)

SKU: 119541
$62.23
MSRP: $71.56
You save 15%
ACI 119541 1kOhm 2-Wire Well Temperature Sensor with 4" Enclosure quantity