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.
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