Don't know that they were common but the first UL listing was a Viking head in 1937: https://www.sprinklerage.com/dry-barrel-sprinklers/
Mike Morey CFPS 3229 • NICET S.E.T. 123677 Project Manager • Fire Protection Group Shambaugh & Son, LP an EMCOR Company 7614 Opportunity Drive • Fort Wayne, IN • 46825 direct 260.487.7824 / cell 260.417.0625 / fax 260.487.7991 email mmo...@shambaugh.com [Image] ________________________________ From: James Crawford <jcrawf...@phaserfire.ca> Sent: Tuesday, February 6, 2024 6:11:43 PM To: Sprinklerforum@lists.firesprinkler.org <sprinklerforum@lists.firesprinkler.org> Subject: [Sprinklerforum] Dry Sprinkler Heads I was asked today when the first dry heads came into use and did not have an answer. Any takers? Thank You James Crawford Phaser Fire Protection Ltd. Phone 604-888-0318 Cel: 604-790-0938 Email jcrawford@ phaserfire. ca Web: www. phaserfire. ca ZjQcmQRYFpfptBannerStart This Message Is From an Untrusted Sender You have not previously corresponded with this sender. ZjQcmQRYFpfptBannerEnd I was asked today when the first dry heads came into use and did not have an answer. Any takers? Thank You James Crawford Phaser Fire Protection Ltd. Phone 604-888-0318 Cel: 604-790-0938 Email jcrawf...@phaserfire.ca<mailto:jcrawf...@phaserfire.ca> Web: www.phaserfire.ca<https://urldefense.com/v3/__http://www.phaserfire.ca__;!!FaxH778!ZfE0LbcWNu9aysDrfax3wWGbtZIN0qRUypPIL4og-hFmcfirLCChAstVb7ZkElS7K7XTsSOf5vt8dbH6Ibl2P7A$> This message is for the named person's use only. It may contain confidential, proprietary or legally privileged information. No confidentiality or privilege is waived or lost by any mistransmission. If you receive this message in error, please immediately delete it and all copies of it from your system, destroy any hard copies of it and notify the sender. You must not, directly or indirectly, use, disclose, distribute, print, or copy any part of this message if you are not the intended recipient.
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