Uponor’s ProPEX lead-free brass commercial ball valves for PEX-to-PEX connections are available in sizes from 1/2” to 2”.

The PP-R portion of the adapter is made from the same material as Green Pipe and is attached to the zero-lead brass portion.

The end switch circuit from the actuators’ output terminals is ganged through the controller for easy wiring.

It is available in single and twin configurations (pictured), which feature one or two hePEX plus service pipes, respectively.

It eliminates the need for concealed joints and fittings, and secures tubing from unwanted forward or backward movement. It reduces noise and vibration and is fire-rated; meets UL 94 V-0

It is available in straight lengths for distribution runs or in coils for connecting to terminal units, such as radiators, fan coils or single-duct digital variable air volume boxes.

As an industry, we have to move beyond judging the quality of a hydronic system based solely on the heat source.

An old, cast-iron pipe, with the slightest amount of water in it for two winters can crack laterally and for quite a few feet.

The 144-page guide includes expanded information on green construction codes, comprehensive design concepts and installation guidelines.