The Grundfos 99880243 Flange Gasket is a genuine OEM replacement sealing component designed specifically for Grundfos UP43-75 series circulating pumps. Sold as a convenient 2-pack, these gaskets ensure a leak-free connection at the pump flanges, maintaining system integrity in hydronic heating and cooling applications. Using authentic Grundfos replacement parts guarantees proper fit, reliable performance, and long service life — protecting your investment and avoiding costly callbacks.
Key Features
- Genuine Grundfos OEM replacement flange gaskets
- Designed for UP43-75 series circulator pumps
- 2-pack for convenient stocking and servicing
- Ensures leak-free flange connections
- Maintains system pressure integrity in hydronic systems
- Direct factory-spec fit — no modification required
Applications
- Hydronic heating systems
- Boiler circulator pump maintenance
- Replacement during pump service or reinstallation
- Preventive maintenance kits for UP43-75 circulators
Product Details
- Brand: Grundfos
- SKU / Part Number: 99880243
- Compatible Model: UP43-75
- Pack Quantity: 2
- Component Type: Flange Gasket
