Procedure for construction of perfect boilers with three independent and automatic circuits between them for swimming pools. (Machine-translation by Google Translate, not legally binding)

摘要

"PROCEDURE FOR CONSTRUCTION OF PERFECTED BOILERS WITH THREE INDEPENDENT AND AUTOMATIC CIRCUITS BETWEEN YES, FOR SWIMMING POOLS", of the type composed of three circuits, characterized in that it is of the monoblock type that includes a general burner with two or more operating gears and three circuits that are independent of each other and respond to a water actuator circuit (pool-pond); a service water heating circuit and a third heating circuit, by air or (water). (Machine-translation by Google Translate, not legally binding)