Weil-McLain PLUS-E017-A/1206 manual Water heater piping, Temperature & pressure T & P relief valve

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PLUS LINE  Indirect-Fired Water Heaters – Series 3

A2

Temperature & pressure (T & P) relief valve

Water heater piping

To reduce risk of excessive pressures and temperatures in water heater, install temperature and pressure protective equipment required by local codes, but no less than a combination temperature and pressure relief valve certified by a nationally recognized testing laboratory that main- tains periodic inspection of production of listed equipment or materials, as meeting the requirements for Relief Valves and Automatic Gas Shutoff Devices for Hot Water Supply Systems, ANSI Z21.22. This valve must be marked with a maximum working pressure of the water heater.

1.Size T&P relief valve by the following specifications, unless they conflict with local codes:

•GOLD Plus 30/40/60/80 or Plus 40/60/80: 3/4” NPT with an AGA Rating of 100,000 BTU/hr, with a long element. Set to relieve at 150 psi. (Watts model 100XL-8 relief valve or equivalent.)

•PLUS 100/110/119: 3/4” NPT with an AGA Rating of 200,000 BTU/hr, with a long element. Set to relieve at 150 psi. (Watts model 40XL-8 relief valve or equivalent.)

GOLD Plus, Plus and PLUS water heaters are exempt from ASME Section VIII per Interpretation VIII-1-86-136. Consult local codes for applicability.

2.Installing T&P relief valve –

GOLD Plus 30/40/60/80 or Plus 40/60/80 (Page 9)

•Install T&P relief valve either:

a.in tapping marked AUX.

b.in run (straight through leg) of tee located at domestic hot water outlet of water heater. (Required for the Commonwealth of Massachusetts.) Use a long element T&P relief valve.

PLUS 100/110/119 (Page 11)

•Install T&P relief valve either:

a.in tapping marked AUX.

b.in run (straight through leg) of tee located at domestic hot water outlet of water heater. (Required for the Commonwealth of Massachusetts.) Use a long element T&P relief valve.

3.T&P relief valve discharge piping must be:

•made of material serviceable for temperatures of 250°F or greater.

•directed so that hot water flows away from all persons.

•directed to a suitable place for disposal.

•installed so as to allow complete draining of the T&P relief valve and discharge line.

T&P relief valve discharge piping must not be:

•excessively long. Using more than 2 elbows or 15 feet of piping can reduce discharge capacity.

•directly connected to a drain. Terminate discharge piping within 6” from floor. Refer to local codes.

•plugged, reduced or restricted.

Do not install any valve between T&P relief valve and tank connection, or on T&P relief valve discharge piping. Do not plug T&P relief valve or discharge piping. Improper placement and piping of T&P relief valve can cause severe personal injury, death or substantial property damage.

Air vent

The boiler-side piping must be equipped with a diaphragm- or bladder-

 

 

type expansion tank, NOT a closed-type expansion tank.

1.Remove plastic shipping cap from 1/2” NPT pipe fitting on top of water heater.

2.Install automatic air vent provided with water heater, using suitable pipe dope or tape.

3.Unscrew vent cap on air vent one full turn. Leave cap unscrewed one turn for normal venting.

Part Number PLUS-E017-A/1206

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Contents Plus Line Read this page first Hazard definitionsContents Zoning with pumps Gold Plus 30/40/60/80 or Plus 40/60/80 Plus 100/110/119 Multiple water heater applications A1 Pre-installation CodesGold Plus 30/40/60/80 or Plus 40/60/80 see Figure Plus 100/110/119 see FigureUniform Plumbing Code RestrictionsCode restrictions National Standard Plumbing Code Air vent Temperature & pressure T & P relief valveWater heater piping A2 Water heater piping  Drain valveGold Plus 30/40/60/80 Or Plus 40/60/80 Option Plus 100/110/119 Option A2 Water heater piping Thermal expansion Water hammer General piping informationBoiler water Water heater wiring A4 Water heater start-up Filling the inner domestic water tankA4 Water heater start-up  A5 Adjusting water heater temperature General notesGold Plus 30/40/60/80 Plus 100/110/119 Plus 40/60/80 A5 Adjusting water heater temperature Setting the thermostat A6 Water heater maintenance Maintenance schedule annual service technicianDraining inner domestic water tank A6 Water heater maintenance Filling Draining · Self-regulating heat tracing A7 Recirculation and heat tracing· Recirculation Components B1. Install system water piping Gas-fired boiler applicationsSystem water piping methods Expansion tank and make-up waterBoiler circulator Sizing space heat system pipingInstall system water piping space heating Zoning with zone valvesB1 Install system water piping space heating Zoning with circulatorsDedicated water heating-only applications Install boiler-to-water heater pipingCombined space heating/water heating applications For boilers other than Ultra Gas, see page 67 for ratings B3 Field wiring Gas boilers only Installation must comply withWiring boiler circulator Wiring water heater circulatorWiring a system circulator Routing line voltage wiringOutdoor temperature sensor Water heater thermostatLow voltage field wiring connections Follow boiler manual Water heater operation setup B4 Start-up Gas boilers onlySet space heating operation Water heater operationReplace jacket front door Verify water heater operationOperating information Boiler-side piping except Gas Wiring options Boiler-side piping except Gas Primary/secondary piping 60 Pump relays and 3-way priority valve and priority relay 58 or , page 59 Priority using 2-way valve Tions Applications Multiple water heaters This diagram Connecting water heater to steam boiler Special considerationsSteam boiler application Boiler-side wiring & controls except Gas Boiler-side wiring & controls except Gas  CirculatorsZone Valves Boiler ModelsTypical wiring System pipingPrimary/secondary piping sys- tems Pump zonesBoiler-side wiring & controls except Gas  Zoning with pumps Using pump relays No domestic priority 39 using 2-way water heater zone valve and no priority valve Zoning with 4-wire zone Valves No domestic priority Zoning with 3-wire zone valves No domestic priority Plus 40/60/80 Boiler-side wiring & controls except Gas  39 using 2-way Water heater zone valve and no priority valve Boiler-side wiring & controls except Gas  Room Thermostat Pump relays Replacement parts Series 3 only Replacement parts  Gold Plus 30/40/60/80 or Plus 40/60/80Description Size Manufacturer Weil-McLain PartPlus 100/110/119 Replacement parts Plus 100/110/119 Series Water heater dimensions Dimensions PLUS-Line indirect water heaters, SeriesWater heater performance ratings MBHWeil-McLain Limited Warranties

PLUS-E017-A/1206 specifications

The Weil-McLain PLUS-E017-A/1206 is a high-performance heating boiler that reflects the brand's commitment to quality engineering and advanced technology. This model is renowned for its efficiency and reliability, making it a preferred choice for both residential and commercial heating applications.

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Overall, the Weil-McLain PLUS-E017-A/1206 is a robust heating solution that combines efficiency, safety, and advanced technology. Its range of features makes it an excellent choice for those seeking a dependable boiler that delivers consistent performance and energy savings. Whether for a home or business, the PLUS-E017-A/1206 represents a smart investment in heating technology.
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