Viessmann VITOCELL 300-H Service Manual download pdf (Page 22)

Connections

Recirculation Connections

Recirculation tapping only for 92 and 120 USG / 350 and 450 ltr capacity

Fig 20.

Pressure and temperature relief

valve discharge

Recirculation connection

The recirculation tapping on the tank is

also the opening for mounting the

temperature and pressure relief v alve

(T&P valve).

If this opening is utilized for

recirculation, extend the stainless s teel

nipple on the tank with a brass tee

(field supplied) of the same size as the

stainless steel nipple diameter to

accommodate both connections (see F ig

20).

5167 535 v1.3

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Viessmann VITOCELL 300-H Service Manual Page 22