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WHITE-RODGERS Plenum Fan & Limit Control - Plenum Fan & Limit Controls
WHITE-RODGERSPlenum Fan & Limit Controls

WHITE-RODGERS Plenum Fan & Limit Control

The WHITE-RODGERS Fan and Limit Control (SKU 3G-OTH-67745) is a plenum fan and limit control with a limit switch action that opens on rise. This SPDT device features an adjustable differential and a closing range of…

SKU 3G-OTH-67745

Also listed as: 05D51078S1 · 05D51-078S1

Brand
WHITE-RODGERS
Item
Plenum Fan & Limit Control
Part Number
05D51 078S1
Category
Plenum Fan & Limit Controls
Available to Order
Also known as:05D51 078S1WHITE-RODGERS
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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
05D51 078S1
Type
- Close on Rise/Limit - Open on Rise, SPDT, Adj
Closing
100°F_265°F
Switch Action
Limit - Open on Rise
Differential Adjustability
Adjustable

Technical Documents

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

Product Description

The WHITE-RODGERS Fan and Limit Control (SKU 3G-OTH-67745) is a plenum fan and limit control with a limit switch action that opens on rise. This SPDT device features an adjustable differential and a closing range of 100°F to 265°F, identified by manufacturer part number 05D51 078S1.

Frequently Asked Questions

What is a WHITE-RODGERS fan and limit control used for?

A WHITE-RODGERS fan and limit control regulates plenum temperature in HVAC systems. The fan closes on rise and the limit opens on rise to prevent overheating. It is commonly used in furnaces and air handlers to ensure safe operation and efficient airflow management.

What are the specifications of the WHITE-RODGERS 05D51 078S1?

The WHITE-RODGERS 05D51 078S1 is an SPDT fan and limit control with a limit switch action that opens on rise. It has an adjustable differential and a closing range of 100°F to 265°F. The device is designed for plenum applications and is identified by manufacturer part number 05D51 078S1.

Where to buy WHITE-RODGERS fan and limit controls worldwide?

You can source WHITE-RODGERS fan and limit controls worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on the 05D51 078S1 or other WHITE-RODGERS controls.

How to install a WHITE-RODGERS fan and limit control?

Install the WHITE-RODGERS fan and limit control in the plenum according to the manufacturer's wiring diagram. Ensure the sensing element is properly positioned for accurate temperature readings. Adjust the differential and closing range as needed. Always disconnect power before installation and follow local codes.

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
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WHITE-RODGERS Products

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

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Compatible alternatives & equivalents

Cross-referenced by specification & description
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Surface-mount limit control with SPDT switching and automatic reset. Opens on temperature rise at 140°F and closes at 120°F, with a 20°F differential. Used in HVAC systems to regulate fan operation based on temperature
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WHITE-RODGERS
Surface mount limit control with SPST switch that opens on temperature rise at 180°F. Manual reset function restores operation after a high-limit event. Used in HVAC systems for fan control or safety shutdown in furnaces, boilers, and duct heaters
WHITE-RODGERS
WHITE-RODGERS
Surface-mount limit control with SPDT switching and automatic reset. Opens on temperature rise at 190°F and closes at 170°F, with a 20°F differential. Used in HVAC systems to regulate fan operation or provide high-temperature limit protection
WHITE-RODGERS
WHITE-RODGERS
Surface mount limit control with SPST switch that opens on temperature rise at 170°F. Features manual reset for safety shutdown in HVAC systems such as furnaces or boilers

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