Mechanical-room connections
HVAC Pump Connectors
Compare flexible metal hose pump connectors for compatible hydronic, boiler, chiller, and mechanical-room piping applications.
Built for the systems you service
Pump Connectors for HVAC Mechanical Rooms
HVAC piping around pumps may need to account for equipment vibration, thermal movement, installation geometry, and maintenance access.

Recommended configurations
Threaded and Flanged HVAC Connector Options

C/S MNPT X C/S MNPT

SS MNPT X SS MNPT

C/S 150# R/F Flange X C/S R/F 150# Flange

SS304 150# R/F Flange X SS304 R/F 150# Flange

SS Male NPT X 150# SS Female NPT Threaded Union

C/S Male NPT X 150# C/S Female NPT Threaded Union
Built around the connection
How Flexible Metal Hose Supports Pump Piping
Properly selected flexible metal hose may help accommodate movement and reduce vibration transmitted into connected piping without replacing required system design elements.

Configuration details
HVAC Pump Connector Specification Checklist
The system designer should review the complete assembly in the context of the piping system.
Buyer questions
HVAC Pump Connectors FAQs
Do HVAC pump connectors eliminate vibration?
No. A properly selected connector may help reduce transmitted vibration, but it does not replace correct equipment alignment, supports, anchors, guides, or system design.
Should I choose threaded or flanged ends?
Match the approved piping specification and mating connections. Threaded and flanged options serve different connection requirements.
What length should I use?
Use the length specified by the system designer and measure the complete assembly end to end. Do not force a connector into an unsuitable gap.
Can Pump Connections review a custom HVAC requirement?
Yes. Send the size, end connections, length, material, service conditions, and a drawing when available.
Need help confirming the right assembly?
Send your size, end connections, length, material, and operating details.


