channel balace 20 x1/2 19 9 33# DM CAL DWE
A home owner from PETALUMA CA says:
September 11, 2016
need a replacement... note the numbers on mine (above).
Tom from SWISCO responded:
September 12, 2016
I'm afraid that stamp number doesn't tell us what you have. Stamps aren't used to identify Series, unfortunately. I recommend that you look at our Channel Balance Home Page and follow the steps in order to find the Series that best matches what you have.