What causes this limit switch to trip

Smith/Lochinvar SKU used to replace the legacy BNR3501 burner assembly

the V-3801-8001 actuator is best suited for single-valve modulation

you must ensure your orifices and manifold pressure are set correctly for the fuel being used

Browning AX66 Belt 320788-704 What causes this limit switchThe Browning AX66 Belt is a high performance Gripnotch V Belt engineered for demanding HVACR and industrial drive applications. Built with a 68. 2" outside diameter and a 67. 3" pitch length, this Type AX notched belt utilizes advanced EPDM construction to handle a broad temperature range from 60F to +250F. The precision molded cogs increase surface area for superior heat dissipation, making it a reliable choice for HVAC blower motor belts and heavy