Parts list: № Number Qty Name Options 1 PF1170171384 1 Hardware Kit SUB FOR PF1170171161 Next page: ST72178 30 GPM Single Valve Control System ST72180 30 GPM Two Valve Control System ST72176 Two Valve System - Single Section Bar ST72181 Attachment, Dual Cooler Single Valve Kit ST72177 Attachment, 30 GPM Single Valve Control System ST749380 Attachment, 12' NH3 Cable for Single Section