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WHITE-RODGERSSingle Function

WHITE-RODGERS Immersion Controller: High Limit/Low Limit, 100°F Min, 240°F Max, Horizontal/Vertical

The WHITE-RODGERS Immersion Controller (SKU 11B18 101S1, MPN 11B18 101S1) is a single-function high-limit/low-limit controller with a 100°F minimum and 240°F maximum temperature range. It features an adjustable…

SKU 3G-OTH-69984

Also listed as: 11B18101S1 · 11B18-101S1

Brand
WHITE-RODGERS
Item
Immersion Controller: High Limit/Low Limit, 100°F Min, 240°F Max, Horizontal/Vertical
Category
Single Function
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

WHITE-RODGERS
Manufacturer Part Number
11B18 101S1
Type
100°F Min, Horizontal/Vertical
Max
240°F
Switch
1
Application
High Limit
Mounting Orientation
Horizontal
Differential Temperature
5°F to 45°F Adjustable
Auto/Manual Switch Included
Yes

Technical Documents

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WHITE-RODGERS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WHITE-RODGERS Immersion Controller (SKU 11B18 101S1, MPN 11B18 101S1) is a single-function high-limit/low-limit controller with a 100°F minimum and 240°F maximum temperature range. It features an adjustable differential temperature of 5°F to 45°F, includes an auto/manual switch, and is designed for horizontal mounting orientation.

Frequently Asked Questions

What is the WHITE-RODGERS immersion controller used for?

The WHITE-RODGERS immersion controller is used as a high-limit or low-limit safety device in industrial heating processes. It monitors fluid temperature in tanks, boilers, or pipelines and cuts power if temperature exceeds the 240°F maximum or drops below the 100°F minimum, preventing equipment damage or unsafe conditions.

What are the specifications of the WHITE-RODGERS 11B18 101S1 immersion controller?

The WHITE-RODGERS 11B18 101S1 immersion controller has a 100°F minimum and 240°F maximum temperature range, with an adjustable differential of 5°F to 45°F. It includes an auto/manual switch, is designed for horizontal mounting, and is a single-function high-limit/low-limit controller. The brand is WHITE-RODGERS.

Where to buy the WHITE-RODGERS immersion controller worldwide?

You can source the WHITE-RODGERS immersion controller through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply this controller to industrial clients across multiple regions.

How to install the WHITE-RODGERS immersion controller?

Install the WHITE-RODGERS immersion controller in a horizontal orientation, ensuring the sensing bulb is fully immersed in the process fluid. Wire the auto/manual switch per the manufacturer's diagram. Set the differential between 5°F and 45°F as needed. Always follow local electrical codes and consult a qualified technician for safe installation.

Used in

Common applications for WHITE-RODGERS
Residential furnace replacement — White-Rodgers 767A-377 hot surface igniter for Trane gas furnaces
Commercial HVAC control retrofits — White-Rodgers 90-T60C3 Class 2 transformer for 24V control circuits
Hydronic zone heating systems — White-Rodgers 13 61 104S1 2-way zone valve for multi-zone temperature control
Plenum temperature regulation — White-Rodgers 05D51 035S1 fan and limit control for forced-air furnaces
OEM furnace control board replacement — White-Rodgers 50N02A-820 integrated ignition control for Trane systems
Fan relay and transformer integration — White-Rodgers 90 118ES1 for compact HVAC control panels

WHITE-RODGERS Products

3G Electric supplies WHITE-RODGERS single function. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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