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Phil, Mechanical Engineer
Category: HVAC
Satisfied Customers: 6022
Experience:  Retired HVAC/ Electrical & Boiler contractor. Industrial
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I have a Raypak pool heater. It says a code od SNS or 5N5.

Customer Question

I have a Raypak pool heater. It says a code od SNS or 5N5. It came with house no manual. Can u help me?
JA: I'll do all I can to help. How long have you been dealing with this?
Customer: Today, just got to Fl. From Iowa,
JA: Do you plan on doing the work yourself?
Customer: No but I have people coming want to get this pool warm
JA: Anything else we should know to help you best?
Customer: I don t believe so
Submitted: 8 months ago.
Category: HVAC
Expert:  Rick replied 8 months ago.

Welcome to Just Answer, my name is ***** ***** I will do my best to help you with your

issue. First I’ll need some more info so I have a more complete picture of you situation.

What is the model number of the unit? But an SNS error usually indicates a bad sensor. So you'd usually have to replace the sensor.