Speck Impeller Upgrade Kit [21-80 G/GS/BS 6.0 HP] (2923800060) o-rings or pressure-based control functions

or pressure-based control functions

helping related pump components align and reassemble correctly during service

Matching the correct natural-gas MV orifice helps preserve intended combustion behavior and setup accuracy

allowing the connection to be disconnected later without cutting plumbing

more complete function access

Speck Impeller Upgrade Kit [21-80 G/GS/BS 6.0 HP] (2923800060) o-rings or pressure-based control functionsThe Speck Impeller Upgrade Kit [21 80 G GS BS 6. 0 HP] is a replacement impeller upgrade kit for compatible Speck 21 80 G, GS, and BS pump applications rated for 6. 0 HP configurations. The impeller is a key hydraulic component that helps move water through the pump and circulation system. Part 2923800060 is typically replaced when the original impeller is worn, cracked, clogged, or damaged during pump service. For best results, inspect the shaft