Gas pressure limit SW. DPST Mercury switch, 2 separate circuits; one normally open & one normally closed. Auto Recycle. Range 1/2-5 PSI, max press 15 PSI.
Gas pressure limit SW. DPST Mercury switch, 2 separate circuits; one normally open & one normally closed. Auto Recycle. Range 1-10 PSI, P. max= 30 PSI.
Gas pressure limit SW. DPST Mercury switch, 2 separate circuits; one normally open & one normally closed. Auto Recycle. 1-26 inches water NEMA 2-3R rating.
Gas pressure limit SW. DPST Mercury switch, 2 separate circuits; one normally open & one normally closed. Auto Recycle. 1/2 to 5 1/2 inches WC NEMA 2-3R rating.