Install Instructions

Part number 550-100-055/0618
2
gas-fired water boilers — Heat Exchanger Block Replacement Instructions
Heat Exchanger Block Replacement Ultra 80, 105 and 155 Kits:
Verify kit contents before proceeding with installation:
P/N 383-500-773 Heat Exchanger Block Kit Ultra 80 Contents:
Description Part No. Qty
Section Cast Aluminum Heat-Exchanger Coat 80 319-000-020 1
Bracket Flue Pipe 70mm 460-005-796 1
Adapter Air Inlet With Drain 70mm Plastic 560-907-704 1
Adapter Flue Pipe 80mm Plastic 560-907-771 1
Flue Pipe 70mm Plastic 560-907-775 1
Extension Condensate Tube w/1.46 Stub 561-200-000 1
Asy-Nut Washer Hex M6 Ø18mm OD S Zp 561-928-449 10
Clamp Pipe-Flue 70mm Ultra 562-500-001 1
Gasket Ring 70 MM - Remeha 56416 590-318-007 1
Insulation Gskt Combustion-Chamber Plt.-Cover 591-200-000 1
Instructions Block Replacement Ultra S1-4 550-100-055 1
Asy Bag T-Sensor & Adapter Hdwr UR 80/105 540-131-105 1
Contents of bag assembly:
Temperature-Sensor Flue 510-312-217 1
Igniter Electrode Double Plate 511-330-250 1
Gasket Igniter Electrode Ultra 511-330-253 1
Temperature Sensor Flue NTC 511-724-292 1
Temperature-Sensor NTC Duplex12K3 M6x1 511-724-302 2
Screw Washer Head Slotted 10-32 x 1-1/4 562-137-316 5
Screw Socket Head Cap M4x8 SS 562-100-003 2
Gasket Venturi 51 ID x 70 OD x 90 Long 590-317-310 1
Harness-Wiring for Ultra Heat-Exchanger 591-391-764 2
P/N 383-500-775 Heat Exchanger Block Kit Ultra 155 Contents:
Description Part No. Qty
Section Cast Aluminum Heat-Exchanger Coat 155 319-000-022 1
Bracket Flue Pipe 80mm 460-005-797 1
Adapter Air Inlet with Drain 80mm Plastic 560-907-707 1
Adapter Flue Pipe 80mm Plastic 560-907-771 1
Flue Pipe with Drain 80mm Plastic 560-907-772 1
Asy-Nut Washer Hex M6 Ø18mm OD S Zp 561-928-449 11
Clamp Pipe-Flue 80mm Ultra 562-500-002 1
Instructions Block Replacement Ultra S1-4 550-100-055 1
Asy Bag T-Sensor & Adapter Hdwr UR 155/399 540-131-106 1
Contents of bag assembly:
Temperature-Sensor Flue 510-312-217 1
Igniter Electrode Double Plate 511-330-250 1
Gasket Igniter Electrode Ultra 511-330-253 1
Temperature Sensor Flue NTC 511-724-292 1
Temperature-Sensor NTC Duplex12K3 M6x1 511-724-302 2
Screw Washer Head Slotted 10-32 x 1-1/4 562-137-316 5
Screw Socket Head Cap M4x8 SS 562-100-003 2
Plate Locking - Remeha 57351 562-248-708 3
Screw Machine Hex Head M4-.7x10 SS 562-650-121 3
Harness-Wiring for Ultra Heat-Exchanger 591-391-764 2
Asy Box Insl Plate-Cover & Gasket UR 155-399 540-131-107 1
Contents of box assembly:
Gasket Chamber Cover Plate Remeha 54752 590-318-005 1
Insulation Plate-Cover/Burner 418.5x180x4mm 590-318-032 1
P/N 383-500-774 Heat Eachanger Block Kit Ultra 105 Contents:
Description Part No. Qty
Section Cast Aluminum Heat-Exchanger Coat 105 319-000-021 1
Bracket Flue Pipe 70mm 460-005-796 1
Adapter Air Inlet With Drain 70mm Plastic 560-907-704 1
Adapter Flue Pipe 80mm Plastic 560-907-771 1
Flue Pipe 70mm Plastic 560-907-775 1
Asy-Nut Washer Hex M6 Ø18mm OD S Zp 561-928-449 10
Clamp Pipe-Flue 70mm Ultra 562-500-001 1
Gasket Ring 70 MM - Remeha 56416 590-318-007 1
Insulation Gskt Combustion-Chamber Plt.-Cover 591-200-000 1
Instructions Block Replacement Ultra S1-4 550-100-055 1
Asy Bag T-Sensor & Adapter Hdwr UR 80/105 540-131-105 1
Contents of bag assembly:
Temperature-Sensor Flue 510-312-217 1
Igniter Electrode Double Plate 511-330-250 1
Gasket Igniter Electrode Ultra 511-330-253 1
Temperature Sensor Flue NTC 511-724-292 1
Temperature-Sensor NTC Duplex12K3 M6x1 511-724-302 2
Screw Washer Head Slotted 10-32 x 1-1/4 562-137-316 5
Screw Socket Head Cap M4x8 SS 562-100-003 2
Gasket Venturi 51 ID x 70 OD x 90 Long 590-317-310 1
Harness-Wiring for Ultra Heat-Exchanger 591-391-764 2