The water temperature should be a minimum of 1℃ for it is important that
the unit does not freeze, and a maximum water temperature is 90℃.
(1) Accessories list
(2) Install the check valve at the outlet. Tighten with the snap hoop
(accessory D). Remove the choke plug from the product, install the rubber
tube (accessory B), and tighten it with the snap hoop (accessory C). The
outlet pipe is 3/4" (1" and 1-1/4" are also good choices), and inlet pipes are
1-1/2".