White Rodgers 5D51-35 Fan Blower Limit Controls

Description:

The White-Rodgers 5D51-35 Fan Blower Limit Control is used in commercial and industrial HVAC systems for monitoring furnace temperature and controlling blower fan operation and high-limit safety shutdown functions. Commonly installed in furnaces, air handlers, rooftop HVAC units, and electric heating systems. Maintenance teams, HVAC technicians, and OEM manufacturers use this part for fan limit control replacement, heating system repair, retrofit projects, and restoration of furnace safety and airflow management functions.

Applications:

The White-Rodgers 5D51-35 fan blower limit control is commonly used in heating environments requiring reliable blower fan sequencing and dependable overtemperature protection. It is frequently installed in gas furnaces, electric heating systems, air handling equipment, and commercial HVAC systems where accurate temperature sensing and automatic fan operation are critical for maintaining safe operating temperatures, proper airflow circulation, and heating efficiency. The control supports continuous-duty furnace protection and blower management applications.

Technical Specifications:

• Brand: White-Rodgers
• Part Number: 5D51-35
• Product Type: Fan Blower Limit Control
• Control Function: Blower Fan and High Limit Safety Control
• Application: Furnace Temperature Monitoring and Protection
• Compatible Equipment: Furnaces and HVAC Heating Systems
• Switch Type: Thermal Fan Limit Control
• Mounting Type: Furnace or Air Handler Mounted
• Industrial Use: Residential and Commercial HVAC Systems
• Operating Environment: Continuous-Duty Heating Applications
• System Compatibility: Gas Furnaces and Electric Heating Equipment
• Construction Type: HVAC Thermal Safety Control Device
• Usage Type: Automatic Fan Sequencing and Overtemperature Protection
• Maintenance Application: Furnace Repair and Safety Control Replacement
• Control Category: Fan and Limit Combination Control

Common Replacements:

• Honeywell L4064 Fan Limit Control
• Emerson Fan and Limit Control
• Johnson Controls Furnace Limit Switch