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P-1606 Pump and Block Assembly
Replacement Instructions - CX
Warning
This replacement kit shall be installed by a qualified service agent in accordance with these
instructions and all applicable codes and requirements of the authority having jurisdiction. If the
information in these instructions is not followed exactly a fire, an explosion or production of
carbon monoxide may result causing property damage, personal injury or loss of life.
The qualified service agency is responsible for the proper installation of this kit. The installation
is not proper and complete until the operation is checked as specified in these instructions.
On Demand DHW Heat Exchanger Block with Pump - CX
Part #
170-125
200-193
150-420
255-165
255-158
150-411
150-417
150-427
150-428
When to Install the P-1606 Pump and Block Replacement Kit
Install the P-1606 kit if you need to replace a damaged DHW heat exchanger block and pump.
IBC Technologies Inc.
-
120-519E0
October 11, 2023
Plated HX Block with Pump
Harness, CX CBI
Screw,T Forming,T20, Zn, M5 x 12
CX Combi Foam Seal
O-Ring w/ Brass, G0.75
O-Ring,BunaN, 2.62 x 17.86
D18 clip
½" to ¾" BSPP to NPT Adapter
¾" to 1" BSPP to NPT Adapter
- Released Document
Description
1-844-432-8422
Quantity
1
1
3
1
1
1
1
2
2
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www.ibcboiler.com
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Summary of Contents for IBC P-1606
- Page 1 ½" to ¾" BSPP to NPT Adapter 150-428 ¾" to 1" BSPP to NPT Adapter When to Install the P-1606 Pump and Block Replacement Kit Install the P-1606 kit if you need to replace a damaged DHW heat exchanger block and pump. IBC Technologies Inc. 1-844-432-8422 www.ibcboiler.com...
- Page 2 2. Remove power to the unit at a wall switch or a breaker. 3. Shut off gas supply to the boiler. 4. Allow the boiler to cool down. 5. Shut off boiler feed and domestic water supply to the unit. IBC Technologies Inc. 1-844-432-8422 www.ibcboiler.com - Released Document...
- Page 3 Outlet Water Pressure Sensor (F) DHW Temperature Sensor (G) Diverter Valve Control Motor (H) Domestic Water Flow Meter (I) DCW Temperature Sensor (J). Figure 3 CX Combi Harness Senors IBC Technologies Inc. 1-844-432-8422 www.ibcboiler.com - Released Document 120-519E0 October 11, 2023 3 of 6...
- Page 4 Reassembling the On-Demand DHW Block and Pump Assembly 1. Reassemble the replacement block and pump assembly: a. install the combi block seal foam, ensure that the foam installed flat with no ripples IBC Technologies Inc. 1-844-432-8422 www.ibcboiler.com - Released Document...
- Page 5 5. Turn on power to the boiler. 6. Turn on call(s) for heat. 7. Check connections for leaks during operation. 8. Perform a combustion analysis, and test for proper operation. 9. Reinstall the front cover. IBC Technologies Inc. 1-844-432-8422 www.ibcboiler.com - Released Document 120-519E0...
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Page 6: Internal Wiring Diagram
Internal Wiring Diagram IBC Technologies Inc. 1-844-432-8422 www.ibcboiler.com - Released Document 120-519E0 October 11, 2023 6 of 6...