Best deal 😉 Johnson Controls Johnson Controllers Temperature Controller A70GA-1C Coiled Capillary, Cool, Four-Wire, Two-Circuit 🛒

The A70 Series mechanical temperature control incorporates a vapor-charged sensing element. The A70G, A70H, and A70K have a 4-wire, 2-circuit contact block that contains two isolated sets of contacts. The contacts are designed so that when the main contact opens, the auxiliary contact closes.