The Bard 6031-009 Core is a high-performance CoreMax valve core specifically engineered for high-pressure HVACR applications

While it shares specifications with some Honeywell L4006 series controls

provided the part number matches the original equipment tag

this OEM component ensures the system maintains its original engineering specifications and combustion performance without requiring field modifications to the manifold or wiring harness

Is the ST073921AV compatible with other brands

Browning 1VP68X7/8 Sheave 318423-701 The Bard 6031-009 Core isThe Browning 1VP68X7 8 Sheave is a rugged, cast iron variable pitch pulley engineered for precision performance in industrial fan and blower applications. Featuring a 7 8" fixed bore and a 6. 55" outside diameter, this single groove sheave allows for fine tuned RPM adjustments by varying the pitch diameter from 4. 9" to 6. 4". Designed for versatility, the 1VP68X7 8 is compatible with 4L, A, AX, 5L, B, BX, and BV belts, ensuring seamless integration