The Timer Relay Board TR1-090LH15 by Maxitrol is engineered for low fan start applications, providing precise control over fan operation in HVAC systems. This relay board features a compact design, making it easy to install in various setups. It is constructed with high-quality materials to ensure durability and reliability. The board operates efficiently within specified voltage ranges, ensuring optimal performance. With its compliance to industry standards, this timer relay board is ideal for enhancing energy efficiency and maintaining consistent temperature control in residential and commercial environments.