Piping Details C or D Type
K12 Wall Bracket
1/2" NPT Supply Tapping Front Header / Top Side Location
K45 Offset Bolt
1/8" NPT Air Vent Tapping / Top side Location - Air Vent (Manual or Automatic) is by others
R2F-4 Shown for Example Only
1/2" NPT Return Tapping Back Header / Bottom Side Location