An installer is asked to provide a system that supplies two zones of fin-tube baseboard and two zones of floor heating.

Many older commercial facilities today, especially larger, multi-story facilities with plumbing and mechanical systems that may date back 10 or 20 years, have domestic water systems with a consistency problem. 

An installer pipes up the system shown in Figure 1. Its purpose is to provide two zones of space heating.  

I recently designed a system for my daughter’s new home with a water-to-water geothermal heat pump as its main heat source. 

For a $200 to $400 investment, a home owner or business owner can save $844 to $1,344 in 10 years in water savings alone. Energy and utility savings are additional and larger. At the same time, users can enjoy hot-water comfort at every faucet without the wait.

Performing at a 95% AFUE, the unit is EPA ENERGY STAR certified.

Vitor Gregorio, an experienced Bosch Manager, succeeds Richard Soper, leading the Thermotechnology division.  

The 5123-WH valve easily mounts directly to a water heater and is NSF 61, ASSE 1017 and ASSE 1070-certified.