Has anyone used this k25 storage sprinkler? It has listing for both UL and FM. UL lists it as a CMSA sprinkler whereas FM listing is for standard coverage resulting in the UL design requirements being more stringent. Example, UL requires 15 sprinkler design with 500 gpm hose allowance. FM requires 12 sprinkler design with 250 hose allowance. My question is, can the design comply with FM and not UL, even though the contract specifications doesn't require FM compliance?
Tony >
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