WHITE-RODGERS 21V51U-843 Integrated Furnace Control
The WHITE-RODGERS Integrated Furnace Control (MPN 21V51U-843) is a universal hot surface ignition control operating at 24V AC. It features a 5-minute lockout and a 15-second pre-purge cycle. This control is designed…
SKU 3G-OTH-67623
Also listed as: 21V51U843 · 21V51U 843
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
Need installation or engineering help?
Ask a question
Product Description
The WHITE-RODGERS Integrated Furnace Control (MPN 21V51U-843) is a universal hot surface ignition control operating at 24V AC. It features a 5-minute lockout and a 15-second pre-purge cycle. This control is designed as a replacement for Trane OEM brands.
Frequently Asked Questions
What is the WHITE-RODGERS 21V51U-843 integrated furnace control used for?
The WHITE-RODGERS 21V51U-843 is a universal hot surface ignition control used in gas furnaces. It operates at 24V AC and is designed as a replacement for Trane OEM brands. Typical applications include residential and light commercial heating systems requiring a 5-minute lockout and 15-second pre-purge cycle.
What are the specifications of the WHITE-RODGERS 21V51U-843?
The WHITE-RODGERS 21V51U-843 is an integrated furnace control with a control voltage of 24V AC. It features a 5-minute lockout time and a 15-second pre-purge cycle. This universal hot surface ignition control is designed to replace Trane OEM brands. The manufacturer part number is 21V51U-843.
Where to buy the WHITE-RODGERS 21V51U-843 worldwide?
3G Electric supplies the WHITE-RODGERS 21V51U-843 integrated furnace control worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time. We source and deliver this replacement control for Trane systems.
How to install the WHITE-RODGERS 21V51U-843 furnace control?
Install the WHITE-RODGERS 21V51U-843 by first disconnecting power to the furnace. Mount the control in the designated location, connect the 24V AC power supply, and wire the hot surface igniter and gas valve per the wiring diagram. Set the dip switches for your specific furnace model. Always follow local codes and the manufacturer's instructions.
Used in
Common applications for WHITE-RODGERSWHITE-RODGERS Products
3G Electric supplies WHITE-RODGERS hot surface ignition controls. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.