The CPI 400 is recommended for industrial and commercial heating applications that require visual and / or electrical indication of valve position on automatic shutoff valves. The CPI 400 is suitable for dry natural gas, propane, butane, air and inert gases. Suitable for up to 0.1% by volume, dry H2S when used with stainless steel adapter.
A “dry” gas has a dew point lower than
+15 °F and its relative humidity is less
than 60 %