Fired ANSI Water Heater Standards

This test method is intended to apply to Indirect-Fired Water Heaters designed for installation with a hot water boiler or some other external source of heated water. This standard is limited to Indirect-Fired Water Heaters having a total...

Approximately half of water heaters sold in the U.S. and Canada for residential applications are natural gas fired storage water heaters, and for these products the maximum steady state thermal efficiency of available products is approximately 96%, with transient...

1.1 These requirements cover oil-fired storage-tank water-heating appliances having a fuel input of not more than 200,000 Btu / hour (60 kW). These requirements do not apply to heaters that include storage vessels having a water capacity of more than 120 US gallons (454...

This Japanese Industrial Standard specifies the carbon steel tubes, alloy steel tubes, austenic stainless steel tubes and nickel-chromium-iron alloy tubes (hereafter referred to as "tubes"), for heating the process fluids in the fired heaters mainly used in petroleum refinery,...

1.1 These requirements apply to factory-built gas appliances having inputs of more than 400,000 Btu per hour, per individual combustion chamber which require flame failure and other precautions and which are intended primarily for commercial and industrial installation. The appliances covered by...

This Standard specifies the method for determining the energy factor for oil-fired storage tank water heaters. This Standard establishes minimum energy efficiency levels for oil-fired storage tank water heaters. This Standard applies to oil-fired...

This Standard applies to (a) heater elements for use in equipment that is intended to be connected to a supply of nominal system voltage of 600 V or less; and (b) those heater elements that are installed in accordance with the Rules of the Canadian Electrical Code, Part I. This...

CSA/ANSI 3.21, Industrial gas-fired natural draft heaters for installation in non-hazardous and hazardous locations in oil and gas process applications, is arranged in two parts: a) CSA/ANSI 3.21, Part 1, covers industrial gas-fired natural draft heaters...

Purpose This recommended practice (RP) provides guidelines that specifically apply to instrument, control and protective system installations for gas fired heaters in petroleum production, refineries, petrochemical and chemical plants. A gas fired general service heater...

1.1 These requirements apply to oil-fired unit heaters as defined herein. Unit heaters designed to supply heated air through ducts are covered in the Standard for Oil-Fired Central Furnaces, UL 727. 1.2 The oil-burning equipment covered by these requirements are intended...

This European Standard specifies the additional requirements and test methods for gas-fired air heaters which are designed so that water vapour condenses from combustion products. On this subject, it extends the European Standards EN 778 and EN 1319 for domestic air...

This European Standard specifies the additional requirements and test methods for gas-fired air heaters which are designed so that water vapour condenses from combustion products. On this subject, it extends the European Standards EN 778 and EN 1319 for domestic air...

PREFACE This publication represents a basic standard for safe operation, substantial and durable construction, and acceptable performance of gas-fired unvented commercial and industrial heaters, It is intended to promote safety in the utilization of gas. Nothing in this standard is to...

1.1 These requirements apply to factory built manually and/or automatically fueled solid fuel-fired hydronic heating appliances, water heaters and boilers, as defined in Section 5, Glossary, intended to be fixed non-moveable appliances. 1.2 The appliances are intended to burn...

This Standard applies to newly produced gas fired-duct furnaces, packaged heaters, and unit heaters with input rates up to and including 10,000,000 Btu/h (2 931 kW) and utility heaters with inputs up to and including 400,000 Btu/hr (117.2 kW) constructed entirely of new,...

Oil-Fired Central Furnaces UL 727 1.1 These requirements cover oil-fired central furnaces which include forced-air furnaces of the downflow, horizontal, and upflow types. Floor-mounted unit heaters designed to supply heated air through ducts are covered also by these...