The Metlund D'MAND® System consists of an electronically controlled pump and valve assembly that allows for the rapid delivery of hot water to plumbing fixtures without the loss of cold water down the drain.
Connect up to 6 tankless water heaters together in a manifold. This kit mounts inside a single tankless unit and connects to up to 5 additional units for a total of 6. Additional Type Q cables are necessary, listed below.
For the PH2-25, PH2-28 and PHH-32 Series models only.
This kit will not work on any model manufactured before January 2010.
![PRV [Pressure Relief Valve]](http://tanklesswaterheaters.acousticwebdesign.net/media/catalog/product/cache/1/small_image/135x/be76cf78d51e0d1bc28c4e17858629e3/l/o/lowenergysystems_2160_7740182.jpg)