Maxitrol R400B10-412 Co. R400B10412 violet spring 4-12" for R400, R400S regulato

Maxitrol R400B10-13 Co. R400B1013 brown spring 1-3.5" for R400, R400S regulators

MAXITROL R325E10-10 R325E10-10 RED SPRING FOR 325-5A and 325-5 *10-2

Maxitrol R5310-25 "2-5""PLATED SPRING RV53 & R600"

MAXITROL RV47CL-1/2” PSIG GAS PRESSURE REGULATOR set @ 5” for NAT & 10” for LPG

Maxitrol BLU R5210 SPRING FOR

MAXITROL 3773 PLATED SPRING FOR RV52,R500,R500S

MAXITROL 3803 BROWN SPRING FOR RV91,210E