1. Insert the O-ring end of the check valve into the discharge port of the pump body.
2. Hand press the check valve body into place until it snaps into position.
NOTICE:
CAUTION: PROPERTY DAMAGE HAZARD. It is not advisable to install circulators in an
attic or upper floor over finished living space. If the circulator must be installed over head,
or over expensive equipment, provide adequate drainage in the event of leakage. Failure
to follow these instructions could result in property damage.
Installation
NRF
™
-25,36,45/NBF
™
-25,36, and 45 Circulator Installation, Operation, and Maintenance Manual 11
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