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- SECTION 15115
-
- THERMOSTATIC WATER MIXING VALVES
-
- NOTE ** This section is based on products manufactured by
- Leonard Water Temperature Controls, headquartered
- at the following address:
- NOTE ** 1360 Elmwood Avenue
- NOTE ** Cranston, RI 02910
- NOTE ** Tel: (401) 461-1200
- NOTE ** Fax: (401) 941-5310
- NOTE **
- NOTE ** This section includes manifold systems to control
- water temperature for building hot water systems,
- shower rooms, emergency showers, and other
- commercial, institutional, and industrial
- applications.
- NOTE **
- NOTE ** SECTION 15115 - THERMOSTATIC WATER MIXING VALVES,
- Copyright 1998, The Architect's Catalog, Inc.
-
- PART 1 GENERAL
-
- 1.1 SECTION INCLUDES
- NOTE ** Delete items below not required for project.
-
- A. Exposed thermostatic water mixing valve systems.
-
- B. Cabinet-mounted thermostatic water mixing valve systems.
-
- 1.2 RELATED SECTIONS
- NOTE ** Delete any sections below not relevant to this
- project; add others as required.
-
- A. Section 15145 - Plumbing.
-
- B. Section ______ - ____________________.
-
- C. Section ______ - ____________________.
-
- 1.3 REFERENCES
-
- A. American Society of Sanitary Engineering - Standard 1017
-
- 1.4 SUBMITTALS
-
- A. Submit under provisions of Section 01300.
-
- B. Product Data: Manufacturer's data on systems, including
- dimensions, rough-in dimensions, pipe connection sizes,
- trim, and finishes.
- NOTE ** Delete the following paragraph if all finishes are
- specified.
-
- C. Selection Samples: For selection of finish.
-
- D. Manufacturer's printed installation instructions.
-
- E. Operation and maintenance data.
-
- 1.5QUALITY ASSURANCE
- NOTE ** Delete the following paragraph if no substitutions
- will be allowed.
-
- A. Manufacturer Qualifications: Company specializing in the
- manufacture of products of this section, with minimum of
- three years experience.
-
-
- PART 2 PRODUCTS
- NOTE ** Although this section is structured for easy
- selection of manifold systems, it will nevertheless
- be necessary to refer to the manufacturer's printed
- bulletins for exact configurations, dimensions, and
- special piping methods.
-
- 2.1 MANUFACTURER
-
- A. Thermostatic Water Mixing Valves: Leonard Water
- Temperature Controls; 1360 Elmwood Avenue; Cranston, RI
- 02910; ASD. Tel: (401) 461-1200; Fax: (401) 941-5310.
-
- B. Substitutions will not be permitted.
- NOTE ** Delete either the paragraph above or the one below.
-
- C. Requests for substitutions will be considered in
- accordance with provisions of Section 01600.
-
- D. Provide all products from a single manufacturer, unless
- otherwise indicated.
-
- 2.2 THERMOSTATIC WATER MIXING VALVES
-
- A. Fabrication: Factory preassembled and tested, including
- the following unless otherwise specified:
- 1. Large and small Type TM thermostatic water mixing
- valves to function as a system meeting both high and
- low demand for tempered water.
- 2. Thermostatic water mixing valves powered by DURA-
- trol(R) solid metal thermostat regulating water
- temperature.
- 3. Integral checkstops, wall supports, and cast lever
- handles.
- 4. Pressure regulating valve set to adjust to varying
- flow requirements, opening to allow flow from larger
- mixing valve as demand increases.
- 5. Outlet dial thermometer, pressure gages, ball valve
- shutoff on each mixing valve, and pre-piped inlet
- manifold with unions.
- NOTE ** Select either or both of the paragraphs below
- relevant to project.
-
- B. Unless otherwise indicated provide the following for each
- exposed thermostatic water mixing valve system as
- applicable:
- 1. Large Type TM Thermostatic water mixing valve,
- adjustable high temperature limit stop, inlet
- checkstops, wall support, and outlet ball valve.
- 2. Small Type M Thermostatic water mixing valve,
- adjustable high temperature limit stop, inlet
- checkstops, wall support, and outlet ball valve.
- 3. Inlet manifold piping.
- 4. Outlet pressure regulating valve and pressure gages.
- 5. Color-coded dial thermometer (0 to 140 degrees F,
- minus 10 to 60 degrees C).
- NOTE ** Insert inlets and outlet sizes below.
- 6. ___ inch (___ mm) inlets, ___ inch (___ mm) outlet.
- 7. 1.0 gallon per minute (3.7 L/min) minimum flow
- capacity.
-
- C. Unless otherwise indicated provide the following for each
- cabinet-mounted thermostatic water mixing valve system as
- applicable:
- 1. Large Type TM Thermostatic water mixing valve,
- adjustable high temperature limit stop, inlet
- checkstops, wall support, and outlet ball valve.
- 2. Small Type M Thermostatic water mixing valve,
- adjustable high temperature limit stop, inlet
- checkstops, wall support, and outlet ball valve.
- 3. Inlet manifold piping.
- 4. Outlet pressure regulating valve and pressure gages.
- 5. Color-coded dial thermometer (0 to 140 degrees F,
- minus 10 to 60 degrees C).
- NOTE ** Insert inlets and outlet sizes below.
- 6. ___ inch (___ mm) inlets, ___ inch (___ mm) outlet.
- 7. 1.0 gallon per minute (3.7 L/min) minimum flow
- capacity.
- 8. Recessed cabinet, 16 gage body, 12 gage door; left
- hand hinge and flange, cylinder lock; bottom inlets,
- top outlet.
-
- 2.3 VALVE AND PIPING FINISH
- NOTE ** Select one of the following three paragraphs.
-
- A. Rough bronze.
-
- B. Satin sprayed.
-
- C. Chrome plated.
- NOTE ** Select the following article if cabinet-mounted
- systems are specified; delete if only exposed
- systems are specified.
-
- 2.4 CABINET FINISH
- NOTE ** Select one of the following paragraphs.
-
- A. Steel, white baked enamel.
-
- B. Stainless steel, No. 4 finish.
-
-
- PART 3 EXECUTION
-
- 3.1 EXAMINATION
-
- A. Verify that piping is installed properly and in the
- correct locations.
-
- 3.2 PREPARATION
-
- A. Install thermostatic water mixing valve systems before
- wall surface is completed.
-
- 3.3 INSTALLATION
-
- A. Install thermostatic water mixing valve systems in
- accordance with the manufacturer's instructions.
-
- B. Install systems plumb and level.
- NOTE ** Select one of the following two paragraphs. The
- first paragraph is the preferred method. If
- showing the heights on the drawings is not
- convenient, either make a list here of mounting
- heights or specify the mounting height.
-
- C. Install thermostatic water mixing valve systems at
- heights indicated on drawings.
-
- D. Install thermostatic water mixing valve systems at
- heights required by applicable plumbing code.
-
- E. Install piping connections as specified in Section 15145.
-
- 3.4 ADJUSTING AND CLEANING
-
- A. Adjust water flow rates to comply with manufacturer's
- rating of the system and with American Society of
- Sanitary Engineering Standard 1017 requirements for mixed
- water temperature.
-
- B. Clean systems of labels, dirt, and construction debris.
-
-
- END OF SECTION
-