Description
Grundfos 93476144 is a GAX-100V HVAC expansion tank, not an air separator. It is a fixed-diaphragm ASME expansion tank designed for hydronic heating and cooling systems. The diaphragm separates the system water from the compressed air charge. The GAX-100V is used in closed-loop hydronic systems
Features
- Absorb the expansion of water as it heats up
- Maintain more stable system pressure
- Help prevent excessive pressure increases
- Reduce unnecessary opening of the pressure-relief valve


