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Automatic gas shutoff devices for hot water supply systems. Original standard CSA ANSI Z21.87-2007 (2012) CSA 4.6-2007 in PDF full version. Additional info + preview on request

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Automatic gas shutoff devices for hot water supply systems. Original standard CSA ANSI Z21.87-2007 (2017) CSA 4.6-2007 in PDF full version. Additional info + preview on request

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Addenda to Automatic Gas Shutoff Devices for Hot Water Supply Systems — Part III: Manufacturing and Production Tests. Original standard CSA ANSI Z21.87a-2010 (2012) in PDF full version. Additional info + preview on request

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Automatic Gas Shutoff Devices for Hot Water Supply Systems. Original standard CSA ANSI Z21.87a-2010 (2017) CSA 4.6a-2010 in PDF full version. Additional info + preview on request

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19 • CSA 2.33:19, Vented gas fireplace heaters. Original standard CSA ANSI Z21.88-19 (2021) CSA 2.33-19 in PDF full version. Additional info + preview on request

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Outdoor cooking specialty gas appliances. Original standard CSA ANSI Z21.89-23 (CSA 1.18-23) in PDF full version. Additional info + preview on request

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