73 part numbers · 4 models
Welch fittings and hardware
Every Welch fittings and hardware number we have from Welch’s own parts lists and manuals, with the models it is listed for.
| Part number | Name | Listed for | Offers |
|---|---|---|---|
| S3083-99 | Screw Screw / bolt / nut | CRVpro 16, CRVpro 4, CRVpro 48 | – |
| S3089-99 | Screw Screw / bolt / nut | CRVpro 16, CRVpro 4, CRVpro 48 | – |
| S3092-99 | Elastic Washer Washer | CRVpro 16, CRVpro 4, CRVpro 48 | – |
| S3093-99 | Screw Screw / bolt / nut | CRVpro 16, CRVpro 4, CRVpro 48 | – |
| S3106-99 | Flat Key Pin / key | CRVpro 16, CRVpro 4, CRVpro 48 | – |
| S3117-99 | Screw Screw / bolt / nut | CRVpro 16, CRVpro 4, CRVpro 48 | – |
| 705550 | Bottom flange Fitting / connector | CRVpro 16, CRVpro 4 | – |
| 822419-1 | Screw A2, M6x14 Screw / bolt / nut | CRVpro 16, CRVpro 4 | – |
| 822476 | Screw A2, M4x14 Screw / bolt / nut | CRVpro 16, CRVpro 4 | – |
| 824636 | U-Washer A2, 6.4x12.5x1.6 Washer | CRVpro 16, CRVpro 4 | – |
| S3044-99 | Spring Spring | CRVpro 16, CRVpro 4 | – |
| S3085-99 | Screw Screw / bolt / nut | CRVpro 4, CRVpro 48 | – |
| S3087-99 | Elastic Washer Washer | CRVpro 4, CRVpro 48 | – |
| S3088-99 | Screw Screw / bolt / nut | CRVpro 16, CRVpro 4 | – |
| S3094-99 | Screw Screw / bolt / nut | CRVpro 16, CRVpro 4 | – |
| S3100-99 | Screw Screw / bolt / nut | CRVpro 16, CRVpro 4 | – |
| S3101-99 | Elastic Washer Washer | CRVpro 16, CRVpro 4 | – |
| S3107-99 | Screw Screw / bolt / nut | CRVpro 16, CRVpro 4 | – |
| S3108-99 | Elastic Washer Washer | CRVpro 16, CRVpro 48 | – |
| S3114-99 | Elastic Washer Washer | CRVpro 16, CRVpro 4 | – |
| S3115-99 | Flat Washer Washer | CRVpro 16, CRVpro 4 | – |
| S3120-99 | Flat Washer Washer | CRVpro 4, CRVpro 48 | – |
| S3166-99 | Anti-Suck Back Spring Spring | CRVpro 16, CRVpro 48 | – |
| S3178-99 | Screw Screw / bolt / nut | CRVpro 16, CRVpro 48 | – |
| S3179-99 | Elastic Washer Washer | CRVpro 16, CRVpro 48 | – |
| S3180-99 | Screw Screw / bolt / nut | CRVpro 16, CRVpro 48 | – |
| 2-00-6712 | SCREW SOCKET HD 10-32 x 3/4” LG. SCREW #6-1/4 SELF TAPPING Screw / bolt / nut | DuoSeal 1405 | – |
| 2-01-0114 | SCREW HEX HD 1/4”-20 X 7/8” LG. THRUST DISK Screw / bolt / nut | DuoSeal 1405 | – |
| 2-01-0356 | SCREW HEX HD 5/16-18 x 3-1/4”” LG.. PULLEY w/ SET SCREW Screw / bolt / nut | DuoSeal 1405 | – |
| 2-31-0112 | HEX NUT 1/4-20, STEEL VALVE SPRING Spring | DuoSeal 1405 | – |
| 2-61-0000 | WASHER, STEEL 3/16 BAFFLE ASSEMBLY Washer | DuoSeal 1405 | – |
| 2-63-0193 | WASHER, LOCK 1/4” MEDIUM SETSCREW 1/4-20 x 2.25” LG Washer | DuoSeal 1405 | – |
| 41-0508 | WASHER, THRUST EXHAUST RING Washer | DuoSeal 1405 | – |
| 41-0613 | WOODRUFF KEY #404 PRESSURE RELEASE TUBE #1 Hose / tube | DuoSeal 1405 | – |
| 41-0624 | WOODRUFF KEY PRESSURE RELEASE TUBE #2 Hose / tube | DuoSeal 1405 | – |
| 41-1685 | SPRING HOLDER EXHAUST PLUG , LARGE Spring | DuoSeal 1405 | – |
| 4-40-1200 | STEEL BALL 3/8” DIA. LOCK NUT Screw / bolt / nut | DuoSeal 1405 | – |
| S3016-99 | Anti-Suck Back Spring Spring | CRVpro 4 | – |
| S3029-99 | Washer Washer | CRVpro 4 | – |
| S3039-99 | Spring Spring | CRVpro 16 | – |
| S3051-99 | Pin Pin / key | CRVpro 4 | – |
| S3052-99 | Screw Screw / bolt / nut | CRVpro 4 | – |
| S3055-99 | Washer Washer | CRVpro 4 | – |
| S3081-99 | Screw Screw / bolt / nut | CRVpro 4 | – |
| S3086-99 | Screw Screw / bolt / nut | CRVpro 4 | – |
| S3098-99 | Blank Flange Fitting / connector | CRVpro 4 | – |
| S3102-99 | Washer Washer | CRVpro 4 | – |
| S3118-99 | Screw Screw / bolt / nut | CRVpro 4 | – |
| S3129-99 | Washer Washer | CRVpro 16 | – |
| S3149-99 | Washer Washer | CRVpro 16 | – |
| S3151-99 | Blank Flange Fitting / connector | CRVpro 16 | – |
| S3154-99 | Washer Washer | CRVpro 16 | – |
| S3159-99 | Paper Washer Washer | CRVpro 16 | – |
| S3162-99 | Gas Ballast Spring Spring | CRVpro 16 | – |
| S3177-99 | Screw Screw / bolt / nut | CRVpro 16 | – |
| S3181-99 | Screw Screw / bolt / nut | CRVpro 16 | – |
| S3184-99 | Flat Washer Washer | CRVpro 16 | – |
| S3200-99 | Nut Screw / bolt / nut | CRVpro 16 | – |
| S3206-99 | Flat Key Pin / key | CRVpro 16 | – |
| S3210-99 | Flat Key Pin / key | CRVpro 16 | – |
| S3211-99 | Pin Pin / key | CRVpro 16 | – |
| S3212-99 | Pin Pin / key | CRVpro 16 | – |
| S3303-99 | Screw Screw / bolt / nut | CRVpro 48 | – |
| S3305-99 | Spring Spring | CRVpro 48 | – |
| S3413-99 | paper washer Washer | CRVpro 48 | – |
| S3429-99 | KF40Blank flange Fitting / connector | CRVpro 48 | – |
| S3433-99 | Washer Washer | CRVpro 48 | – |
| S3436-99 | Washer Washer | CRVpro 48 | – |
| S3456-99 | Vane spring Spring | CRVpro 48 | – |
| S3467-99 | Flat washer Washer | CRVpro 48 | – |
| S3469-99 | Nut Screw / bolt / nut | CRVpro 48 | – |
| S3479-99 | Washer Washer | CRVpro 48 | – |
| S3482-99 | nut Screw / bolt / nut | CRVpro 48 | – |
Fitment as Welch publishes it; open a part for its source, conditions and replacements. Prices are suppliers’ own, checked in the last 30 days.