United J21K Pressure Differential Switch, 90 PSID, 15A

PLEASE REVIEW: We would ask that potential buyers please view the photographs carefully, and understand what you are buying. All questions should be submitted PRIOR to your purchase. *Your purchase includes a 30 day warranty.* We cannot negotiate price or terms after the sale. Payment is expected within 24 hours please. In return, we'll ship quickly. We appreciate your consideration! (bcd: 1-4-b)