spa
air contro
l
water
air venturi line
to the spa
tee with hose
connector
injection point
hartford
loops
check
valve
B- To install with an air control injector:
This method can be used if the air control valves are closed.
Injection point must be installed on the venturi air line of the spa.
Follow the safety instructions listed at the beginning of
Select the venturi line with the best suction and select a
location for the injection point that will lead to the lowest spa
Cut the air control tube.
Install a tee with a hose connector (tee with hose connector
Use all material needed to make sure your 1⁄4” ID fl exible tube
will be installed safely.
Connect in.zone so you are sure it will only be activated when
a suction effect is created by the circulation pump.
Don't forget to perform a suction test before powering
up in.zone (refer to suction test page 11).