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6.2. Safety exchanger
1. Remove the existing outlet piping attached to the boiler. Install safety heat exchanger to the delivery port
on the rear section via 1 1/2" pipe union as shown in following pictures. Use the same flange gasket and
stay bolts those you have after removing the original outlet piping.
2. Attach Regulus JBV safety valve into 1/2"
housing on hot water delivery line of safety heat
exchanger as shown on the picture right hand
side. Pay attention to the cold sanitary water flow
through safety valve. This is indicated on brass
body of safety valve.
3. There are two ports sized 1/2" for sanitary
water inlet and outlet connection on safety heat
exchanger. These ports are welded to copper
serpentine of the exchanger. Attach outlet of
Regulus JBV valve to one of these 1/2" ports
using the flexible hose supplied within the kit.
4. Connect the cold sanitary water to inlet of
Regulus JBV valve. Drain the other (hot sanitary
water) outlet of the safety heat exchanger.