Product Overview

Genuine FISHER CS400 spring kit, Emerson part number GE30225X12, covering the 26-40 in. w.c. outlet spring range, three springs per pack. The CS400 series replaces the earlier S301 as a 2-inch threaded regulator for natural gas and LPG, inlet up to 8.6 bar, outlet 27 to 520 mbar, accuracy plus or minus 2.5 percent. Springs set the outlet band, so correct selection is essential after overhaul. Verify the range on the nameplate before ordering.

Key Features

• Genuine Emerson spring kit, part number GE30225X12, three springs per pack

• 26-40 in. w.c. outlet pressure spring range for CS400 regulators

• Fits CS400 series, the current replacement for the earlier S301

• Springs set the outlet band on the 2-inch threaded CS400 body

• Correct spring selection restores plus or minus 2.5 percent accuracy

Typical Applications

Residential, commercial and direct-fired industrial burner lines using FISHER CS400 regulators on natural gas, manufactured gas and LPG supplies.

Selection Guide

Confirm the required outlet pressure range and spring color code on the CS400 nameplate or previous spring, then order the GE30225X12 set for the 26-40 in. w.c. band.