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Rinnai Tankless Water Heater Installation and Operation Manual 55
4.9.2 Instructions
To connect the condensate drain pipe:
1. 
condensate drain port.
2. 
drain port.
3. 

4.9.3 Condensate Pump
Safety Switch Wiring



1. 
2. 


1/2 in. MNPT
Condensate Drain


Strip insulation
󰀨

󰀨
connectors
3. 󰀨
󰀨
4. 
󰀨

National Electrical Code (NEC).
5. 




6. 
󰀨
Test Operation
1. 󰀨



2. 
3. 

4. 

5. 󰀨
󰀨

diagnostic code.
Figure 56
Figure 57


the National Electrical Code (NEC).
IMPORTANT
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