The Armstrong Astro Express 2 system delivers hot water to the tap, recirculating cooled water back to the water heater via existing cold water piping. In addition to providing the homeowner instant hot water access, the system also helps to conserve municipal drinking water resources and save metered water charges. It’s easy

- Reduced field installation and material cost
- Ductile iron valve body with standard grooved ends
- Eliminates requirement of three valves on pump discharge and, in some cases, a 90° elbow, thus saving space
- Soft seat to ensure tight shut-off
- Spring-closure design, non-slam silent check valve feature for vertical or horizontal mounting