Delta Fan Forced With CT Function

for indoor installation (or outdoor, but must be inside a waterproof weather box, however this is not recommended), with lcd screen, auto temperature control, and featuring a proportional valve.  offers extremely economical use of lp gas, low water pressure start – with stainless steel flue in box.
this unit will keep the hot water temperature at your setting regardless of changes in ambient temperature.

(requires electricity to operate)