The Gas Trade Training Materials (1): Advanced program above 400k BTU consists of units 26 through 31 and CSA B149.3:20, Code for the field approval of fuel-burning appliances and equipment.
The Gas Trade Training Materials (1): Advanced program above 400k BTU consists of units 26 through 31 and CSA B149.3:20, Code for the field approval of fuel-burning appliances and equipment.