Description
The Resideo SV175 is a 1/2″ air vent with integrated check vent, engineered for automatic air elimination in residential and light commercial hydronic heating systems. By continuously purging trapped air from the system, the SV175 helps maintain optimal heat transfer, protects circulating pumps, and prevents the noise and inefficiency caused by air-bound piping.
The built-in check vent feature prevents water from escaping the system when the vent is not actively releasing air, providing a reliable, low-maintenance solution for hydronic installations. Its compact 1/2″ connection size makes it easy to install at high points in the piping system where air naturally accumulates.
Key Features
- Automatic air venting for hydronic heating systems
- Integrated check vent prevents water loss between venting cycles
- 1/2″ connection size for easy installation at system high points
- Compact, low-profile design fits tight mechanical spaces
- Helps protect circulating pumps from air-induced damage
- Reduces system noise caused by trapped air pockets
- Suitable for residential and light commercial hydronic applications
Application
Ideal for use in hot water boiler systems, radiant floor heating, baseboard heating, and other closed-loop hydronic systems where air elimination is critical to system performance and longevity.
Specifications
- Brand: Resideo
- SKU: SV175
- Connection Size: 1/2″
- Type: Automatic Air Vent with Check Vent







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