Scope Details test and examination criteria for ventless firebox enclosures for unvented decorative room heaters. Fireboxes covered by this standard are intended for use with unvented decorative room heaters which comply with ANSI Z21.11.2 for installat

定价： 3777元 / 折扣价： 3211 元

Scope 1.1.1 This standard applies to newly produced, direct gas-fired industrial air heaters of the nonrecirculating type, hereinafter referred to as heaters, whose purpose is to offset building heat loss. All air to the heater shall be ducted directly

定价： 4596元 / 折扣价： 3907 元

Update No. 1 was published as notification that this is now a National Standard of Canada This PDF includes Update No. 1 Preface This is the fourth edition of CSA C191, Performance of electric storage tank water heaters for domestic hot water ser

定价： 683元 / 折扣价： 581 元

Update #2 was published as notification that this is now a national standard of Canada. 1. Scope 1.1 This Standard specifies requirements for the installation of electric storage tank and heat pump water heaters intended for use in residential pre

定价： 455元 / 折扣价： 387 元

定价：

This PDF includes GI #2. 1. Scope 1.1 These requirements apply to both cord-connected and permanently connected electric radiant heaters and infrared and ultraviolet lamp assemblies for warming food or for cosmetic or hygienic purposes in nonmedic

定价： 819元 / 折扣价： 697 元

定价： 1365元 / 折扣价： 1161 元

Purpose The purpose of this document is to provide a method of measuring the thermal efficiency of Convection and Other than Convection (forced circulation) swimming pool heaters. Scope This document applies to Gas-fired Swimming Pool Heaters at a

定价： 1138元 / 折扣价： 968 元

定价： 1365元 / 折扣价： 1161 元

1.1 Scope 1.1.1 This standard applies to newly produced unvented catalytic room heaters (see Part IV, Definitions), hereinafter referred to as heaters, constructed entirely of new, unused parts and materials, having input ratings up to and including

定价： 4232元 / 折扣价： 3598 元

1.1 Scope 1.1.1This standard applies to newly produced, automatic storage water heaters having input ratings of 75,000 Btu per hour (21 980 W) or less (see Part IV, Definitions), hereinafter referred to as water heaters or appliances, constructed enti

定价： 728元 / 折扣价： 619 元

1. Scope This clause of part 1 is replaced by: This standard deals with the safety of thermal storage room heaters for household and similar purposes which are intended to heat the room in which they are located, their rated voltage being not more t

定价： 728元 / 折扣价： 619 元

定价： 637元 / 折扣价： 542 元

Update No. 1 was published as notification that this is now a National Standard of Canada This PDF includes Updates #1 and #2 1 Scope 1.1 This Standard describes the test procedures required to perform a 24 h simulated use test. This Standard al

定价： 1365元 / 折扣价： 1161 元

定价：