Yong Heng Electrical Relay Board – 110V/220V Controller for PCP Air Compressor

Restore full control and automatic operation to your Yong Heng PCP air compressor with this electrical relay and control board set. Compatible with both 110V and 220V versions.

This relay system regulates power, temperature monitoring, and safety shutoff – essential for keeping your 4500PSI compressor running safely and reliably.

• ✅ Includes relay board, temperature sensor, digital display
• ✅ Voltage: AC 100V – 240V
• ✅ Prewired with connectors and mounting parts
• ✅ Not compatible with other compressor brands
• ✅ OEM part for Yong Heng PCP air pumps

Keywords: Yong Heng electrical relay, air pump controller, PCP compressor circuit board, 110v 220v relay, Yong Heng control module