These products are variously known as 'Point of use', 'Open outlet', 'Displacement' or 'Non-pressure' water heaters. They have an open outlet and rely on the opening of a tap or valve on the inlet side to displace the hot water in the heater with incoming cold water. The open outlet ensures that any excess pressure in the heater is vented. During the warm-up cycle it is normal for expanded water to drip from the spout or tap.
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Vented Water Heater Accessories
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These products are variously known as 'Point of use', 'Open outlet', 'Displacement' or 'Non-pressure' water heaters. They have an open outlet and rely on the opening of a tap or valve on the inlet side to displace the hot water in the heater with incoming cold water. The open outlet ensures that any excess pressure in the heater is vented. During the warm-up cycle it is normal for expanded water to drip from the spout or tap.
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