The Browning BX99 Belt is a heavy-duty Gripnotch V-Belt designed for high-torque HVACR applications and industrial drive systems

typically pre-programmed for specific air handler models

always verify the valve nameplate before installation

When you need a reliable primary control for medium-temperature applications

When troubleshooting loss of flame signal or non-responsive sequences in Laars Pennant or Mighty Therm units

Schneider Electric (Viconics) COV-PIR-RTUHP-5031 Cover 320819-301 The Browning BX99 Belt isThe Schneider Electric COV PIR RTUHP 5031 is a specialized replacement cover designed for Viconics VT7600 series thermostats, specifically those configured for Heat Pump (HP) and Rooftop Unit (RTU) applications. This cover incorporates a high accuracy Passive Infrared (PIR) motion sensor, providing essential occupancy based control to optimize HVAC cycling and energy consumption. Engineered for seamless integration, the COV PIR RTUHP 5031 features the