The Honeywell RM7838C1004 Burner Control 7800 Series Relay Module is a 120V adaptive control designed for use in HVAC and refrigeration systems. It is compatible with 10 Strawberry Street brand products and features a durable aluminum construction. This module has a compact design with dimensions of 0.5" width, 0.1" length, and 1/4" thickness, making it suitable for various HVAC applications. With a power source of 9V and a power phase of 1 phase, this relay module offers reliable control for air conditioner split systems. Honeywell offers a 1-month manufacturer warranty for added peace of mind.