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CHECKLIST
Mainsboost Charger MJ3 (Horizontal) + Mainsboost Monobloc 22/28mm ULK
(compatible with MB 200SH and MB 250SH vessels only)
Your product may vary slightly from the illustrations above.
Item Description Qty Item Description Qty
Package
1a
1 Monobloc unit 1
Package
2
1 Mainsboost vessel 1
2 ¼ “ BSP Pressure gauge 2 2 Mounting cradle 2
3 Lever isolating ball valve 1
Package
3
1 Pump 1
4
Mainsboost vessel
connector fitting
1 2 Sealing washers 2
5
22/28mm compression
adaptor
2 3 Manifold assembly 1
4 Hoses 2
5
Pump mounting
bolt assy
1 set
6
MJ3 HM mounting
bracket
1
Package 2
Vessel/Mounting Cradle
Fig. 3
1
2
4
1
3
5
Package 3
MJ3 pump
Fig. 2
6
2
Package 1a
Monobloc 22/28mm Upstream line-in kit
Fig1a
5
4
2
3
1