This oil/gas-fired boiler from EPCB offers flexible fuel compatibility—capable of burning a range of liquid and gaseous fuels, including diesel, fuel oil, natural gas, LPG, furnace oil, biogas, CNG, coke oven gas, and more. Built with a three-pass wet-back structure and high-efficiency economizer, it ensures enhanced heat exchange and fuel savings. The system is designed for easy, int... https://bresdel.com/blogs/1143199/What-Is-a-Three-Pass-Oil-Fired-Steam-Boiler