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WHITE-RODGERS 21V51D-751 Integrated Furnace Control - Hot Surface Ignition Controls
WHITE-RODGERSHot Surface Ignition Controls

WHITE-RODGERS 21V51D-751 Integrated Furnace Control

The WHITE-RODGERS 21V51D-751 is an Integrated Furnace Control, a type of Hot Surface Ignition Control designed as an OEM replacement for Carrier systems. It operates at 120V AC and features a 240-second lockout time…

SKU 3G-OTH-67665

Also listed as: 21V51D751 · 21V51D 751

Brand
WHITE-RODGERS
Item
21V51D-751 Integrated Furnace Control
Part Number
21V51D-751
Category
Hot Surface Ignition Controls
Available to Order
Also known as:21V51D-751WHITE-RODGERS
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

WHITE-RODGERS
Manufacturer Part Number
21V51D-751
AC
120V
Lock Out
240 sec
Pre-Purge
15 sec
Product Type
Integrated Furnace Control
Control Voltage
120V AC
Main Valve Output
1.5 A
Replacement for OEM Brands
Carrier

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

Product Description

The WHITE-RODGERS 21V51D-751 is an Integrated Furnace Control, a type of Hot Surface Ignition Control designed as an OEM replacement for Carrier systems. It operates at 120V AC and features a 240-second lockout time, a 15-second pre-purge, and a 1.5 A main valve output.

Frequently Asked Questions

What is the WHITE-RODGERS 21V51D-751 ignition control used for?

The WHITE-RODGERS 21V51D-751 is an Integrated Furnace Control used as an OEM replacement for Carrier heating systems. It operates as a hot surface ignition control, managing the ignition sequence, safety lockout, and main valve output in residential and light commercial gas furnaces.

What are the specifications of the WHITE-RODGERS 21V51D-751?

The WHITE-RODGERS 21V51D-751 is a 120V AC Integrated Furnace Control with a 240-second lockout time, 15-second pre-purge, and 1.5 A main valve output. It is designed as a direct replacement for Carrier OEM systems and is a hot surface ignition control type.

Where to buy the WHITE-RODGERS 21V51D-751 in worldwide?

3G Electric supplies the WHITE-RODGERS 21V51D-751 to customers worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and to place an order for this Carrier-compatible ignition control.

How to install the WHITE-RODGERS 21V51D-751 ignition control?

Installation of the WHITE-RODGERS 21V51D-751 should follow standard furnace control replacement procedures: disconnect power, remove the old control, mount the new unit, and reconnect wiring per the manufacturer's diagram. Always verify 120V AC supply and ensure the 15-second pre-purge and 240-second lockout settings match system requirements.

Used in

Common applications for WHITE-RODGERS
Commercial rooftop units — White-Rodgers 36H32-304 universal ignition gas valve for 230,000 BtuH single-stage heating sections
Industrial makeup air heaters — White-Rodgers 36H64-463 dual-stage gas valve for staged combustion control up to 300,000 BtuH
Residential furnaces — White-Rodgers 36G22-254 universal ignition gas valve rated at 140,000 BtuH for direct spark or hot surface ignition
HVAC fan control — White-Rodgers 90 372S1 SPDT fan-control relay with 120V AC coil for blower switching
Industrial control panels — White-Rodgers 4E944 surface-mounted DPDT relay rated 15 A at 277V AC for load switching
Light commercial heating — White-Rodgers 36H33-412 single-stage gas valve rated at 300,000 BtuH for high-capacity burners
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WHITE-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.

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