ANSI Z21-10-3 : 2017

Preface
1 Scope
2 Reference publications
3 Definitions
4 Construction
5 Performance
6 Manufacturing and production tests
7 Items unique to the United States
8 Items unique to Canada
Annex A (normative) - Outline of lighting instructions for
        appliances equipped with continuous pilots
Annex B (normative) - Outline of operating instructions
        for appliances equipped with intermittent pilot
        or interrupted pilot systems
Annex C (normative) - Outline of operating instructions
        for appliances equipped with direct ignition
        systems
Annex D (normative) - Optional provisions for listed gas
        appliance conversion kits
Annex E (normative) - Efficiency test procedures
Annex F (informative) - Pertinent references to ANSI Y14.15
Annex G (informative) - Wire color designations
Annex H (informative) - Recommended wire color usage
Annex I (informative) - Preferred graphic symbols of
        commonly used items, extracted from standard
        ANSI/IEEE 315, graphic symbols for electrical
        and electronics diagrams, and abbreviations
        for these items
Annex J (informative) - Sample failure modes and effects
        analysis for component miswiring
Annex K (informative) - Table of conversion factors
Annex L (informative) - Legibility and design of safety
        information in water heater markings and manuals

Pertains to newly produced, large automatic storage water heaters having input ratings above 75,000 Btu/hr (21980 W), instantaneous water heaters, circulating water heaters including booster water heaters, hereinafter referred to as water heaters or appliances, constructed entirely of new, unused parts and materials.