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t <br /> *CAUTION* <br /> DO NOT INSTALL MODEL F3, MODEL F3QR OR MODEL DH56 HSW DRY SPRINKLERS INTO <br /> CPVC ADAPTER FITTINGS OR TEES THAT HAVE AN INTERNAL OBSTRUCTION. THIS WILL <br /> DAMAGE THE SPRINKLER AND/OR THE FITTING. <br /> CPVC ADAPTER FITTINGS AND TEES WITH INTERNAL OBSTRUCTIONS ARE ALSO COMMONLY <br /> FOUND DURING THE RETROFITTING PROCESS OF RELIABLE'S OLDER MODEL G3 DRY <br /> SPRINKLERS. <br /> INTERNAL NO <br /> OBSTRUCTION INTERNAL <br /> OBSTRUCTION <br /> FEMALE FEMALE <br /> PIPE PIPE <br /> THREAD THREAD <br /> INCORRECT CORRECT <br /> CPVC ADAPTER CPVC ADAPTER <br /> FITTING OR TEE FITTING OR TEE <br /> 1 <br /> SHORTER LONGER <br /> INLET INLET F-7-jl-7- <br /> MALE I MALE <br /> PIPE f PIPE f I <br /> THREAD THREAD <br /> -77 -77 <br /> MODEL F3-PL, <br /> MODEL F3QR-PL OR STANDARD <br /> MODEL DH56 HSW-PL MODEL F3, <br /> DRY SPRINKLER MODEL F30R OR <br /> MODEL DH56 HSW <br /> DRY SPRINKLER <br /> BE SURE TO ORDER THE CORRECT SPRINKLERS FOR YOUR <br /> APPLICATION <br /> 016fgO8A <br /> Fig. 11 <br /> 8. <br />