McDonnell & Miller 150S-HD Controller

Combination Low Water Cut-Off and Pump Controller with Snap Acting SPDT Switch Head Mechanism Only (Part Number 173003)

This item is not?áeligible?áfor free shipping.

HOw do I file / send resale cert. CAlifornia.

Please register for an account on our website then email your resale certificate to admin@gsistore.com with the same email address used to register. We will update your account to tax exempt after reviewing the info. Thanks.
Hi What is the difference with 157 R and 157 S

157S-R is the direct replacement for 157-R (SNAP SWITCH VS MERCURY SWITCH)

https://www.gsistore.com/products/mcdonnell-miller-157s-r-controller

McDonnell & Miller 157S Controller

https://www.gsistore.com/products/mcdonnell-miller-157s-controller

You can check what's the differences.