The A70 series are heavy duty temperature controls that incorporate a vapour changed sensing element. The A70G, A70H 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. Long life, snap action contacts and automatic or manual reset models. Applications: Typical applications would be energizing an indicator light upon. Low temperature cutout on a ventilating system. Open Low 15 - 55OF Manual 20" x 1/8" Screwdriver 16A/120-8A/240 -10 - 15OC Reset O.D. Tubing Slot