White-Rodgers 21V51D-751 Carrier Two-Stage Integrated HSI Furnace Control Kit

Product Description

The White-Rodgers 21V51D-751 is an integrated furnace control kit suitable for various Carrier and ICP furnaces. This kit supports both PSC variable speed and ECMX blower motors, allowing for flexible installation. It features a two-stage HSI ignition system designed for efficient heating performance.

• Compatible with multiple furnace brands
• Supports PSC and ECMX blower motors
• Easy configuration via dipswitch

Product Highlights

This control kit provides seamless operation and diagnostics for furnace systems. The included tri-color diagnostics LED alerts users to system status, while push button self-test functionality ensures the system operates correctly.

Product Information

Standard Information

• Brand: White-Rodgers
• Part Number: 21V51D-751

Technical Specifications

• Auto Reset Time: 60 min
• Frequency: 60 Hz
• Ignitor Warm Up: 17 to 19 sec
• Input Voltage: 18 to 30 VAC
• Post Purge: 15 sec
• Pre-Purge Time: 15 sec
• Temperature Rating: -40 to 175 deg F
• Relative Humidity Range (Non-Condensing): 5 to 95 %
• Retries: 3 times