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� Ducts outside the building must be insulated to R-8.0. <br /> � ' <br /> � Duct Construction: <br /> [ ) � Ducts in unconditioned spaces must be fastened and sealed with welds, gaskets, mastics <br /> � (adhesives), mastic-plus-embedded-fabric, or tapes. Duct tape is not pernutted. <br /> [ ] � The HVAC system must provide a means for balancing air and water systems. <br /> � <br /> � Temperature Controls: <br /> [ ] I Thermostats are required for each separate HVAC system. A manual or automatic means to <br /> � partially restrict or shut off'the heating and/or cooling input to each zone or floor shall be provided. <br /> � <br /> � Service Water Heating: <br /> [ l I Water heaters with vertical pipe risers must have a heat trap on both the inlet and outlet unless the <br /> � water heater has an integral heat trap or is part of a circulating system. <br /> [ ] � Insulate circulating hot water pipes to the levels in Table 1. <br /> � <br /> � Swimming Pools: <br /> [ ] � All heated swimming pools must have an on/off heater switch and require a cover unless over 20% <br /> � of the heating energy is from non-depletable sources. Pool pumps require a time clock. <br /> I <br /> � Heating and Cooling Piping Insulation: <br /> [ ] � HVAC piping conveying fluids above 105°F or chilled fluids below 55°F must be insulated to the <br /> .� levels in Table 2. <br /> �a �S C_�-2M�� � � <br />