Mier BW-THERMFAN Replacement Thermostat for BW-F131 and F300 Fan

Keep critical equipment cool and online with the Mier Products BW-THERMFAN replacement thermostat — a dependable thermostat designed for Mier NEMA 3R fan-ventilated enclosures. Engineered for protective temperature control, this replacement part works seamlessly with BW-F131FAN, BW-F300FAN and compatible BW-F81 fans to prevent overheating of security DVRs, network switches and rack-mounted monitoring equipment.

The BW-THERMFAN offers a compact footprint (1.3 x 2.5 x 2.75") for simple panel mounting and integrates easily into existing fan assemblies. As a TAA-compliant, US-origin component from Mier Products, it supports procurement standards while delivering predictable, automated ventilation that reduces wear on fans and lowers the risk of thermal shutdowns. Ideal for physical security, surveillance, IT and telecom racks, this thermostat helps maintain ambient enclosure temperatures for longer equipment life and fewer service interruptions.

Replace a failed or outdated controller quickly to restore airflow control and safeguard your monitoring and security infrastructure — order the BW-THERMFAN replacement thermostat for reliable, maintenance-friendly temperature management.

• Maintains optimal enclosure temperatures to protect servers, surveillance DVRs and networking gear from heat-related failures
• Direct replacement for BW-F131FAN and BW-F300FAN for fast, low-risk field service and minimal downtime
• Compact, low-profile design (1.3 x 2.5 x 2.75") fits Mier NEMA 3R fan‑ventilated enclosures for clean, reliable installation
• TAA-compliant and US-origin component to meet procurement and compliance needs for government and enterprise deployments
• Extends fan life and reduces maintenance calls by engaging ventilation only when monitoring requires it, improving reliability for security and IT systems