Maxitrol R325C10-711 WHITE SPRING 7-11" 325-3

Maxitrol R325E10-711A 7-11 Inch Spring for 325-5A

MAXITROL 325-3L (1/2" W/12A09) Gas Pressure Regulator,2 psi,250000 BtuH 490N59

Maxitrol R325C10-59 5-9" SPRING FOR 325-3

Maxitrol R325C10-412 4-12" VIOLET SPRING FOR 325-3

Maxitrol R325C10-26 2-6" PLATED SPRING FOR 325-3

MAXITROL 325-3L (1/2" W/12A09) Gas Pressure Regulator,2 psi,250000 BtuH 490N59

Maxitrol L37-535 , 1/2" Regulator, 325-3L-44 / 12A09.