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Spigotmaster ~ SM01 Vacuum Breaker Adapter~ Converts an Arrowhead PK1390 Anti-Siphon Valve Into a Straight Through Connection 1" Diameter
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About Spigotmaster ~ SM01 Vacuum Breaker
Spigotmaster Fixes That Leaking Vacuum Breaker Once & for All! External vacuum breakers on outdoor spigots often fail prematurely & leak water excessively, especially when using an irrigation timer or have a need for an always-on water connection. Unfortunately, most spigots have special fine threads, so that once removed, no other device can be connected to it. Also, vacuum breakers often have a set screw that is either corroded or broken off, making it difficult to repair or replace. Spigotmaster has solved that problem! The female end of SpigotMaster matches the fine thread pattern on the spigot & the male end has regular garden hose threads for your hose. Problem solved! ~Make sure you remove your old vacuum breaker & measure the external thread diameter so that you can pick the correct one for your spigot~ We make 4 models that fit most spigots with external vacuum breakers: SM01 - Fits Arrowhead spigots with dual stage vacuum breakers, as long as you can get the set screw out & remove the entire vacuum breaker. Spigot Threads Outside Diameter: 1.05" Adapter Inside Diameter: 1" SM01.125 - Fits some Arrowhead spigots directly, & those dual stage vacuum breakers where you can't get the set screw out & are left with the top part of the backflow preventer on your spigot. Spigot Threads Outside Diameter: 1.16"-1.18" Adapter Inside Diameter: 1-1/18" SM-XL - Fits Watts & Cambridge Brass spigots widely available in Canada & NIBCO 63CLVB/763CLVB. Spigot Threads Outside Diameter: 1.22" Adapter Inside Diameter: 1.17" SM-XXL - Fits Some NIBCO & Other Spigots. Spigot Threads Outside Diameter: 1.3" Adapter Inside Diameter: 1-1/4" See Pictures & Video Above to Help Determine Which Size You Need Note: Your local building code may require a vacuum breaker downstream of the Spigotmaster.
