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Billy
Billy, Technician
Category: Pool and Spa
Satisfied Customers: 22469
Experience:  Licensed in Hydronics and Boilers
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I am replacing a pressure switch on a raypak heater. The wires

Customer Question

I am replacing a pressure switch on a raypak heater. The wires on not marked on the old.. There is a black and red. The new one has no markings, but it has nc2 and no3 markings. Where do I hook up the red and black to?
Submitted: 2 years ago.
Category: Pool and Spa
Expert:  Billy replied 2 years ago.
Hello,
is this a 2100 series?
Customer: replied 2 years ago.
Model 153
Expert:  Billy replied 2 years ago.
Thank you,
Now there were revisions....is this the switch with only 2 terminals? nc and n,o,...or 3 terminals with nc, no and c?
Customer: replied 2 years ago.
2terminals
Expert:  Billy replied 2 years ago.
Thank you
red to nc and black to no
test unit and let me result
Billy

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