JANUARY JLC 1997
by John D. Wagner
Tankless and point-of-use
heaters are an economical
way to supply hot water
to remotely located sinks
and showers
T
Water
Heaters
On-Demand
he standard plumbing package for most homes includes a
single domestic water heater with a capacity to heat and store
between 40 and 80 gallons of water at temperatures up to
about 140°F. While this volume of hot water can easily supply
several fixtures and appliances simultaneously, the cost
of heating and storing such a large volume of water is high.
And while most water heaters are centralized, some fixture
groups, such as kitchens or second-floor bathrooms, are
located comparatively far away from the heater. This results
in long piping runs