S1-7956A3771 BLOWER CONTROL 0-4min 24v Camstat BC7070

7956A3771 Coleman blower control BC-7070

The BC7070 (also sold as 7956A3771) is a blower control timing board used in Coleman, Nordyne, and Intertherm furnace applications. This control manages blower on/off delays to ensure proper heat exchanger warm‑up, efficient airflow, and safe furnace operation. Supco’s BC7070 is a direct replacement for multiple Coleman OEM part numbers and installs quickly with standard 24‑volt furnace wiring.

Key Features

• Replaces multiple Coleman / Nordyne blower control boards

• 0–4 minute adjustable blower delay

• 24V control voltage

• Controls blower on/off timing for proper heating cycle

• OEM‑style performance and fit

• Compact, durable board design

Function & Application

This blower control board regulates the timing of the indoor blower motor during heating operation. Proper delay ensures:

• Heat exchanger warms before airflow begins

• Reduced cold‑air drafts

• Improved comfort and efficiency

• Proper cool‑down cycle after burner shutdown

A failed blower control can cause:

• Blower not starting

• Blower running continuously

• Short cycling

• Cold‑air blowing at startup

Replacing it with a correct‑spec control restores proper furnace operation.

Product Details

From your Shopify product page

• Part Number: BC7070

• OEM Replacements: 7956‑377, 7956‑3771, 7956‑3781, 7956‑378, BC‑25AB‑AA

Coleman blower control.  BC-7070-A/M

Replaces 7956-377, 7956-3771, 7956-3781 & 7956-378, BC-25AB-AA,