Economiser for T 3G PREXTHERM boilers

-Heat recovery unit insulated on the inside, with finned tubes to increase the heat exchange surface, used on hot or superheated water boilers operating on natural gas, made from AISI 304 stainless steel or AISI 316 on request, suitable for recovering the heat contained in the flue gas and use this to partly heat the system return water.

-All complete with conical fitting for easy connection to the flue.

-Increases boiler efficiency by 4 to 8%, depending on the system return water temperature.