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0.75 in. (19 mm). OD
un-threaded drain outlet
Connect with hose cuff
and hose clamps.
*Pipe, unions, and water shut-off valve not supplied by NORTEC.
1/2 in. NPT
Use union to connect
supply pipe to unit.
Always install a water
shut-off valve.
Air gap required.
2 1/2 in. to 1 1/4 in. copper
reducer is ideal.
Hose/line must not touch
the bottom of the funnel.
Min. 1 1/4 in. OD drain line.
Slope down. Increase size
if combining multiple drains.
Axillary drain, 1/2 in. female NPT
For draining tank without pump. Leave
valve closed except if freeze protection is installed.
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