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Freeze
Protection
Valve
Pipe
Chase
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.
*Pipe, unions, insulation, heat trace, and water shut-off valve not supplied by NORTEC.
Fill Valve
Fill Connection
1/2 in. male NPT
Drain Connection
0.75 in. (19 mm). OD
un-threaded.
Insulate and heat trace
water supply line up to fill
valve if installed where
freezing can occur.
Freeze Protection
Valve Connection
1/2 in. male NPT .
Always install a water
shut-off valve. See
Protecting Water
Min. 1 1/4 in. OD drain line.
Slope down. Increase size
if combining multiple drains.
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