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This 1/2 in hot water extender tempering valve is designed for domestic water supply systems and recommended for tankless heater, water heater and solar applications installed at or near the boiler or hot water heater. It consists of a lead-free brass body, solder connections, thermostat, stainless steel springs and dial adjustment cap. The hydraulically operated thermostat opens a spring loaded check in the cold water inlet which allows cold and hot water to mix and can be replaced as a unit. The temperature range is 120 to 160 deg F.
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This 3/4 in lead-free hot water control valve is designed for installation on water heating equipment to provide tempered water to point-of-use fixtures and is ideal for radiant heat applications. The double throttling design combines hot and cold water control for a sensitive response to water temperature changes in the mixing chamber. It consists of a lead-free brass body, threaded union connections, solid wax hydraulic principle thermostat, integral filter washers and check valves, virtual shutoff upon loss of cold water supply and a locking mechanism for the temperature setting. The maximum pressure is 150 psi. The adjustable field range temperature is 90 to 160 deg F.
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