It is not recommended to use less than an 8″ diameter float with 1-1/4″ to 2″ valves. Due to a lack of buoyancy – 6″ & smaller floats can be used where inlet pressure is very low.
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1.800.561.3164
25 Whaley Avenue
P.O. Box 310
Milverton, Ontario
N0K 1M0 Canada
Boshart Industries LLC
3601 Woodpark Blvd. Charlotte, NC 2820 USA