Granby B*G-3, Инструкция по установке, эксплуатации и обслуживанию, Страница: 20 / 37

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4. GAS SUPPLY PRESSURE
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Maximum supply pressure: 14 inches W.C.
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Minimum supply pressure: 5” inches W.C.
WARNING:
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Do not expose the combination gas valve to gas pressures in excess of 14” W.C.
The valve has a safety mechanism that interrupt the flow of gas over 14” W.C. In
any event higher pressure could damage the valve seat, resulting in potentially
hazardous conditions. When pressure testing at higher pressures, disconnect
burner from gas line before testing.