Slim Square
Slim Square alternative mounting posi-
tions.
Remember, safety valve always at the
lowest position.
4. Connections
4.1 Material: Use only fi ttings and accessories made
of non-corrosive material such as brass or stainless
steel. Avoid plastic fi ttings on the water heater depend-
ing on the heat, unless they are specially made for this
purpose. This is important, a leak in this area can cause
a sudden engine overheat as well as a dangerous hot
water spray.
4.2 Hoses: For the engine connections, use heat re
Fig. 7
sistant (100°C / 210°F) reinforced rubber hoses, resist-
ant to anti-freeze and pressure approved
for 5 bar / 70 psi. For the fresh water, cold inlet and
warm outlet, use heat resistant fresh water hoses (food
industry quality). They shall be rated 8 bar / 115 psi.
Fasten the hoses carefully with hose clamps. Seal the
threaded connections with e.g. Loctite 577 or Bondline
T777.
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