These are pre-owned Armstrong model 810119-001 and Bell & Gossett booster pump bearing assemblies, perfect for HVAC maintenance or system repairs. Both units are in good working condition and show standard signs of wear consistent with previous industrial use. They are ready to be integrated into your heating or circulation pump systems to restore optimal performance. Features include: - Armstrong Model 810119-001 pump assembly - Bell & Gossett Booster Bearing ASM D01 - Durable metal construction - Compatible with standard residential/commercial heating loops. If you have a pump that is feeling a bit sluggish or needs a mechanical refresh, these sturdy companions are eager to jump into action and keep your fluids flowing smoothly. If this advertisement is still live, these reliable pump parts are still available and ready for a new project!