the L220-20F limit switch functions on a precise thermal curve

T-4002-202

if it matches 350F and uses an SPST manual reset configuration

Technicians should note the dual-run configuration and standard 1/4-inch male quick-connect terminals

Replacing it with a 2-pole unit may require wiring adjustments for crankcase heaters

Maxitrol R11110-515 Spring the L220-20F limit switch functionsWhen swapping out springs for precise manifold pressure, you need a replacement that matches the original tolerances of the regulator body. The Maxitrol R11110 515 is a professional grade green spring specifically engineered for RV110, RV111, and 210G Series gas pressure regulators. This component allows for an outlet pressure range of 5" to 15" W. C., making it a critical part of the Maxitrol spring selection chart for high capacity applications such