Backflow Repair Parts & Kits

850/LF850 1" check rubber kit for both checks. Can also be used for the 860/LF860 1" checks.

CK MODUAL FOR EITHER THE #1 OR #2 FOR MODELS 850/LF850 AND 850U/LF850U AND ONLY THE #2 CHECK FOR MODELS  860/LF860/880.  SIZES 1.25"-2"

850/860/880 also fits lead free versions, LF850 and LF860 1" single poppet assembly for either check.

POPPET ASSEMBLY FOR  850/860 AND THE LEAD FREE VERSIONS, LF850/LF860 SIZES, 1 1/4", 1 1/2" AND 2"

PART# 905342† RUBBER KIT 850 1/2"-3/4"

PART# 905163  Rubber total kit for both check valves for a 4" 850/870.

Seat ring arm assembly for 4" 850/860/870/880 for either #1 or #2 check.

RUBBER KIT FOR BOTH CHECKS  FOR MODELS 850/856 2 1/2"- 3" 

THIS KIT IS NOT FOR THE LEAD FREE (LF) MODELS.

RUBBER KIT FOR BOTH CHECKS FOR MODELS 850, LF850, 860 OR LF860 1 1/4"-2"

DISC ASSEMBLY AND COVER O-RING FOR EITHER CHECK FOR MODELS 850/856/870/876 6" SIZE

THIS IS THE ENTIRE CHECK FOR EITHER THE #1 OR #2 CHECK ASSEMBLY FOR MODELS 850/870 AND ONLY THE #2 CHECK FOR THE 860 MODEL.  6"

THIS IS NOT THE CORRECT PART FOR THE LF850/LF860/LF870.

Ordered in as requested.

SEAT RING ARM ASSEMBLY FOR 850/870/860/880  2.5"-3" SIZE MODELS.

PICTURED IS THE SEAT RING ARM ASSEMBLY FOR THE LEAD FREE VERSIONS.  THE ONES FOR THE LEADED MODELS ARE BRASS.

SPRING MODULE FOR EITHER CHECK FOR THE MODELS 850 AND 870 2 1/2"-3".  AND THE #2 CHECK ONLY ON THE MODELS 860 AND 880.  

THESE DO NOT WORK IN THE "LF" (LEAD FREE) MODELS

PART# 905339† OPPET ASSY 850/860 1/2"-3/4"

Febco 4" 850/860/870/880 Replacement Spring. It is either for #1 or #2 spring for the 850/870 and only the #2 spring for the 860/880.

Febco 6" 850-860 seat ring arm assembly. Ordering # 905488

Picture is of the one used in the lead free models.  The parts are similar only made out of brass in the non lead free models.

CHECK DISC ASSEMBLY AND COVER O-RING FOR EITHER CHECK 850/856/860 2.5"-3"

SEAT RING ARM ASSY FOR MODELS 850/860/870/880 6"

PICTURED IS FOR THE LEAD FREE VERSIONS.  THE PART FOR THE LEADED VERSIONS ARE BRASS.

Disc assembly for 850/856/870/876 4" assemblies. Comes with cover o-ring

PART# 905155  DISC ASSY 8" 850/856/870/876

LF850.LF860/LF870/LF880 DISC ASSY 2 1/2" AND 3" SIZES.

Febco 6" Disc assembly repair kit for models LF850/LF860/LF870/LF880V

Febco 8"-10" 850/870 repair kit- check module. Kit includes seat ring and arm assembly, seat gasket, check disc assembly, spring assembly, load pin, two retainer clips, cover o-ring, cover bushing and four nuts. Ordering # 905539

Febco 6" LF850, LF870 Double Check lead free spring module repair kit for first or second check .

And the LF860, LF880 Reduced Pressure lead free spring module repair kit for the  second check.

Kit includes spring module with a cover o-ring. Ordering # 905472