Potterton NXR4 Installation, Operation & Maintenance Manual page 17

SECTION 4
PAGE 16
Fig. 10 – Exchanger (Exploded View)
Sensor Pockets
Flame Viewing
Port
Burner Support Door
(see Fig. 9)
Bottom Front Flange
Flow Distributor
409 – 411 – Not Fitted
412 – 416 – 630mm
417 – 1000mm in two pieces
Drain Cock
POTTERTON COMMERCIAL PRODUCTS DIVISION
INSTALLATION, OPERATION & MAINTENANCE MANUAL
Top Flange
2" Plug
Top Outlet Manifold
Bottom Inlet Manifold
Flue Access Doors
Front Section
Slip-On Weld Flange
Rear Flue Hood
Rear Section
Tie Rods
Marking to be
Towards Front
Stainless Steel
Furnace Protective
Plate
Nipple
Flue Spigot
NXR4
Section
Markings