Description
Overview
The Grundfos 00335021 is a 2″ NPT 250-pound rated flange set engineered for reliable, leak-free connections on Grundfos circulating pumps in hydronic heating and cooling systems. Designed to match Grundfos pump inlet and outlet ports, this flange set simplifies installation and ensures a pressure-rated seal that stands up to demanding commercial and residential hydronic applications.
Key Features
- 2″ NPT threaded connection for compatibility with standard pipe fittings
- 250 pressure rating for high-pressure hydronic system applications
- Engineered specifically for Grundfos circulating pump models
- Provides a secure, leak-free pump-to-pipe interface
- Simplifies pump installation, removal, and service
- Durable construction suited for both residential and commercial hydronic systems
Application
Ideal for use in hydronic heating and cooling systems where a reliable, pressure-rated flange connection is required at the pump. Compatible with Grundfos pump models that accept 2″ NPT flanged connections.
Specifications
- SKU: 00335021
- Brand: Grundfos
- Connection Size: 2″ NPT
- Pressure Rating: 250
- Type: Flange Set









