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Bell & Gossett Thermoflo Indicator

A Device for Instant Visual Balancing of Hydronic Systems. The Thermoflo Balancer is a visual flow indicator with a dual flow scale calibrated in gallons and liters per minute. This unique product provides both circuit balance and visual flow indication. It can be serviced without breaking the piping connections. With Bell & Gossett Thermoflo balancer installed in each circuit or zone, the entire system can be quickly balanced to meet original design calculation. Thermoflo Balancers can be installed in any position with the directional arrow pointing downstream. Designed for use with water with a pH range of 7 to 9.