Maxon 32731 Sleeve 320788-703 High-Flow Design: 1 5/8" diameter

High-Flow Design: 1 5/8" diameter minimizes pressure drop across the valve

OEM Precision: Contains genuine Apollo Conbraco parts ensuring exact dimensional fit for 4" 40 Series check assemblies

This motor typically requires a 40 MFD / 370V run capacitor

Field Versatility: Suitable for multi-gas applications including nitrogen

This replacement filter element serves as a direct cross-reference for part 20RF89 and is the standard module for A-4000-155 intake filters

Maxon 32731 Sleeve 320788-703 High-Flow Design: 1 5/8" diameterThe Maxon 32731 Sleeve is a critical combustion component designed for high temperature industrial burner applications. This 8" diameter by 8" length discharge sleeve is precision engineered from 310 Stainless Steel, providing superior oxidation resistance and structural integrity in environments reaching up to 2100F. In the field, this 310SS discharge sleeve is essential for maintaining proper flame shaping and protecting burner internals from