Overview Reviews Similar Products Product Description Flow Switch 1A 3/4" Barb x 1/2" Slip 24" Cord w/2 Pin Connector 34-0221B-K Used on D-1 Heater Product Videos Custom Field Product Reviews Find Similar Products by Category Recommended Quick view Flow Switch, 30V, 1A, 3/4" Barb size 34-0221-K $59.95 Add to Cart Quick view flow switch: mounted 2" slip X spigot 90° spst with 36" cord 2-PIN AMP $97.42 Add to Cart Quick view HARWIL FLOW SWITCH: 1/2" CONNECTION SPST W/36" CORD 2 PIN $134.61 Add to Cart