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N.B If an appliance capable of heating the tank above 89°C is connected to the primary coil then, a separate
non-self-resetting thermostat and 2 port valve must be installed in the primary circuit
For further details on the Modul-AIR Tank and for detailed installation instructions regarding Indirect
unvented tanks please consult the Direct, Indirect, Slimline & Modul-AIR Un-Plumbed Unvented Cylinder
Installation & Maintenance Manual (INS-JUKCYL-020).
Reference Description Connection Size
A Hot water Outlet 22mm compression connection
B Overheat Stat 22mm Pocket
C T&P Relief Valve ½” Female BSP
D Top Tank Sensor ID Ø7mm Stat Pocket
E 2kW Immersion Heater 1 ¾” Female BSP
F Bottom Tank Sensor ID Ø7mm Stat Pocket
G Coil Flow/Return 22mm compression connection
H Coil Flow/Return 22mm compression connection
I Cold Water Inlet 22mm compression connection
A
B
C
D
E
F
G
H
J
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