"หนักกี่ตัน"

"This is BITCHEN!"

"Another view of the Code Stamping on the back head."

"ASME Stamp on backhead of boiler. It reads as follows: NATIONAL CARD 117 MUNROE PGB PA MAXWP 150 PSI 3641HS 3 1480 IT HSB 3599 1331 12 61"

"As you can see this area is difficult to photograph due to the dry pipe and branch pipes in the way."