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[DOC File]SECTION 221119 - DOMESTIC WATER PIPING SPECIALTIES
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Copy "Primary, Thermostatic, Water Mixing Valves" Paragraph below and re-edit for each type of water mixing valve required. If only one type is required, drawing designation may be omitted. Primary, thermostatic, water mixing valves in first paragraph below are available in NPS 3/4 to NPS 3 and maybe in NPS 4 (DN 20 to DN 80 and maybe in DN 100 ...
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Furnish and install as shown on plans in ... - AERCO
Each heater shall include a device to measure pressure differential across the domestic water side of the heat exchanger. Each heater shall be supplied by the manufacturer ready to accept existing boiler water and domestic water lines, and furnished with the following accessories: Y-strainers with blowdown valve for boiler water and domestic water.
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[DOCX File]PART 1 - Thermal Solutions Products LLC
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If the water heater inlet water temperature drops below setpoint or the differential temperature is excessive the valve shall open to allow hot water heater outlet water to blend with cold inlet water temperature. The valve repositions toward 0% recirculation …
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[DOC File]HTP - Water and Space Heating
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The indirect water heater shall have an electronic mixing valve on the outlet pipes to ensure accurate temperature control. The internal indirect water heater and associated DHW components contacted by consumable water contain less than 0.25% lead by weight, …
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[DOC File]SECTION 223300 - ELECTRIC, DOMESTIC-WATER HEATERS
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Install pressure-reducing valve with integral bypass relief valve in electric, domestic-water booster-heater inlet piping and water hammer arrester in booster-heater outlet piping. Set pressure-reducing valve for outlet pressure of [25 psig (172 kPa)] .
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[DOC File]Specifications for Solar Water Heating Systems
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Install a union adjacent to each ball valve. Balance flow through the collector piping with at least one balancing valve left in the open position. Locate tempering mixing valve downstream of auxiliary water heater to control hot water delivery temperature. 3.1.2.6 Roof Penetrations. All roof penetrations shall be made permanently waterproof.
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[DOCX File]SECTION 223313 – INSTANTANEOUS ELECTRIC DOMESTIC …
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HLW: When the heater has a heat input of 200,000 Btuh (58.6 kW) or more, or an output temperature of 210 deg. F (99 deg. C), or when authority having jurisdiction requires that water heater manufacturer complies with manufacture, inspection, and testing requirements in accordance with ASME Boiler and Pressure Vessel Code, Section IV.
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[DOC File]PART 1 utions.com
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The water heater shall be factory assembled and fire tested. Water heater connections shall be limited to the water supply & return, relief valve and drains, fuel input, electrical power, exhaust vent and air inlet (as specified/shown in contract documents). The water heater shall be constructed in conformance to ASME Section IV and ANSI Z21.10 ...
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[DOC File]Water Heater Replacement in the Weatherization Assistance ...
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DOE Requirements for Water Heater Replacement at a Glance. 6 Background. 7 ... Some anti-scalding devices are incorporated into the shower and faucet mixing valves, and mix in cold water when a threshold temperature is exceeded. Other anti-scalding controls shut off the gas valve if supply water exceeds the threshold.
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[DOC File]Commissioning - M&E Prefunctional Checklists
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List each actuated valve here when spanned: _____ Valves verified to not be leaking through coils when closed at normal operating pressure (follow procedure in Calibration and Leak-by Test Procedures). ... having no control function, are checked for proper reporting to BAS. ... Boiler and Hot Water Heater(s) Submittals / Approvals.
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Water heater mixing valve function