Snap Disc, Hi Limit, L93, 200F/185F
High Limit Switch (p/n 192) opens on temperature rise. Snap Discs are Dual Fuel replacement snap discs (p/n 4099 is the center disc, p/n 5712 is for the left and right side discs)
Corrosion Inhibitor plus Polymer Solution helps prot...
Used as a furnace firebox pH modifier. This is an ab...
This water test kit will work with and without propy...