UL 737
Standard for Fireplace Stoves

DETAILS
Edition Number:10SCC Approved:--
Edition Date:2011-04-25DOD Approved: --
Price Code:CANSI Approved: 2015-08-17
Type:ulstd

  • SCOPE

    1 Scope

    1.1 These requirements cover fireplace stoves that are freestanding assemblies having fire chambers intended to be operated open to the room or, when equipped with doors, to be operated with the doors either open or closed.

    1.2 Fireplace stoves covered by these requirements are intended for attachment to a residential chimney capable of being used for use with low heat appliances and intended for use with solid wood or coal fuels.

    1.3 Fireplace stoves are intended for installation in accordance with the Standard for Chimneys, Fireplaces, Vents, and Solid Fuel Burning Appliances, NFPA 211, and in accordance with codes such as the International Mechanical Code, International Residential Code, and the Uniform Mechanical Code.

    1.4 Fireplace stoves intended for use in mobile homes are to be installed in accordance with the Mobile Home Construction and Safety Standards published by the Department of Housing and Urban Development (HUD).

    1.5 The product shall include:

    a)    A field-installed cord-connected or permanently-connected blower assembly; and

    b)    Other field-installed electrical accessories, rated at 250 volts or less, and intended to be employed in locations in accordance with the National Electrical Code, NFPA 70.

  • TABLE OF CONTENTS
    Expand All

    • Cover
    • Transmittal
    • Table of Contents
      • Body
        • INTRODUCTION
          • 1 Scope
          • 2 Glossary
          • 3 Components
            • 3.1 General
            • 3.2 Attachment plugs, receptacles, connectors, and terminals
            • 3.3 Boxes and raceways
            • 3.4 Capacitors and filters
            • 3.5 Controls
            • 3.6 Cords, cables, and internal wiring
            • 3.7 Overcurrent protection
            • 3.8 Polymeric materials and enclosures
            • 3.9 Power supplies
            • 3.10 Printed wiring boards
            • 3.11 Switches
            • 3.12 Transformers
          • 4 Undated References
          • 5 General
          • 6 Materials
          • 7 Assembly
            • 7.1 General
            • 7.2 Flue damper
            • 7.3 Fire screen
            • 7.4 Flue collar
            • 7.5 Radiation shield and baffle
            • 7.6 Thermostatic control
            • 7.7 Grate
            • 7.8 Separable handle
            • 7.9 Barometric draft regulator
            • 7.10 Combustion air duct system
        • PERFORMANCE
          • 8 General
          • 9 Test Installation
          • 10 Temperature Measurement
          • 11 Fire Tests
          • 12 Radiant Fire Test
          • 13 Brand Fire Test
          • 14 Flash Fire Test
          • 15 Glazing Test
            • 15.1 General
            • 15.2 Impact test
            • 15.3 Water shock test
          • 16 Strength Tests
            • 16.1 Fire chamber
            • 16.2 Chimney connector
          • 17 Stability Test
        • FIREPLACE STOVES FOR USE IN MOBILE HOMES
          • 18 Installation
          • 19 Chimney
          • 20 Spark Arrester
          • 21 Combustion Air Inlet
          • 22 Test Structure
          • 23 Test Method
          • 24 Drop Test
        • BLOWER ASSEMBLY
          • GENERAL
          • 25 General
          • CONSTRUCTION
          • 26 Enclosure
            • 26.1 General
            • 26.2 Mechanical protection
            • 26.3 Electrical protection
            • 26.4 Doors and covers
          • 27 Mounting of Electrical Components
          • 28 Field-Installed Blower Assemblies
          • 29 Field Supply Connections
            • 29.1 Permanently-connected units
            • 29.2 Cord-connected units
          • 30 Grounding
            • 30.1 General
            • 30.2 Permanently-connected units
            • 30.3 Cord-connected units
          • 31 Internal Wiring
            • 31.1 General
            • 31.2 Methods
          • 32 Separation of Circuits
          • 33 Bonding for Grounding
          • 34 Capacitors
          • 35 Insulating Material
          • 36 Motors and Motor Overcurrent (Overload) Protection
          • 37 Switches and Controllers
          • 38 Transformers
          • 39 Spacings
          • PERFORMANCE
          • 40 Test Voltages
          • 41 Temperature Measurements
            • 41.1 Thermocouple method
            • 41.2 Change-in-resistance method
          • 42 Input Test
          • 43 Temperature Test – Electrical Components
          • 44 Dielectric Voltage-Withstand Test
          • 45 Leakage Current Test
          • 46 Stalled Motor Test
          • 47 Strain Relief Test
            • 47.1 Power supply cord
            • 47.2 Field wiring leads
          • 48 Push-Back Relief Test
          • 49 Short-Circuit Test
          • 50 Knockout Test
          • MANUFACTURING AND PRODUCTION TESTS
          • 51 Production Line Dielectric Voltage-Withstand Test
          • 52 Production Line Grounding Continuity Test
        • MARKING
          • 53 General
          • 54 Marking Permanence Tests
            • 54.1 General
            • 54.2 Air oven-aging test
            • 54.3 Humidity test
            • 54.4 Unusual-condition exposure test
        • INSTALLATION INSTRUCTIONS
          • 55 Installation and Operating Instructions
            • 55.1 General
            • 55.2 Installation instructions
            • 55.3 Operating instructions