and R600Z models

though system logic may require a manual power cycle at the thermostat or board

As a direct BBD-8571-20 replacement

This inverted bucket trap gasket ensures a leak-proof interface between the body and cap

always verify the specific model dash number on your 36G or 36H valve before installation

Resideo 390427E Reducer Bushings and R600Z modelsThe Resideo 390427E Reducer Bushings are professional grade pipe fittings engineered to adapt gas line connections for seamless integration with Honeywell combination gas controls. This envelope assembly includes two 3 4 in. x 1 2 in. NPT reducer bushings, providing a necessary solution for field technicians when the gas control inlet or outlet needs to be downsized to match the existing manifold or supply piping. Constructed for durability and heavy