Supply and return connections for a fan coil unit. The supply line includes an autoflow assembly with integral petes plugs, a strainer, a ball valve, a balancing valve, and a blow down port sized per the fan coil schedule for gallons per minute. The return line incorporates a two-way or three-way modulating control valve supplied by the controls contractor and installed by the mechanical contractor. A three-way bypass is provided with valve locations referenced in the fan coil schedule. Additional accessories include test plugs on the piping and a manual air vent.
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