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![Herga Air Switch [DPDT] [20A] [thd] [latch] (59-345-3550) chemicalfeeders 12 inch lead relationship](https://cdn.shopify.com/s/files/1/1751/9347/products/59-345-3550_xl.jpg?v=1486187290)
Herga Air Switch [DPDT] [20A] [thd] [latch] (59 345 3550) chemicalfeeders 12 inch lead relationship 12 inch lead relationship Useful when original heaters become unreliable or underperforming this air switch helps support dependable latching control and better long term pneumatic system reliability Latching air switches are useful because they allow a control state to remain engaged until the next intended activation changes it
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