www.pmmag.com/articles/91738-recirculation
Recirculation
June 2, 2008

The Navigator® NRS recirculation station by Bradley Corp. takes the guesswork out of installing a thermostatic mixing valve in a recirculation system. The pre-assembled, pre-tested recirculation station consists of a Navigator high-low valve combined with the components typically used in this type of system.
Circle 36