The F-440 spare parts recommended are listed below:
F-440 (In-Line) Replacement Parts
| ITEM NO. | PART NUMBER | DESCRIPTION | QTY |
| 1 | F-44N07 | 3/8” Male NPT in-line adapter, Polysulfone | 2 |
| F-44N08 | 1/2” Male NPT in-line, Polysulfone | 2 | |
| F-44N09 | 3/4” Male NPT in-line, large body, Polysulfone (for F-44750 models) | 2 | |
| F-45N013 | 1/2” Male NPT in-line, large body, Polysulfone (for F-44750 models) | 2 | |
| 2 | F-44N05 | 3/8” and 1/2” Half Union, Nylon | 2 |
| F-44N06 | 1/2” or 3/4” Half Union, Nylon (for F-44750 models) | 2 | |
| 4 | 90003-152 | 3/8” or 1/2” O-ring seal, Viton | 2 |
| 90003-627 | 3/8” or 1/2” O-ring seal, EP | 2 | |
| 90003-082 | 1/2” or 3/4” O-ring seal, Viton (for F-44750 models) | ||
| F-5026X | 1/2” or 3/4” O-ring seal, EP (for F-44750 models) | ||
| 5 | N/A | Meterbody and Float (not sold separately) | 1 |
| 6 | F-44N14 | Guide Rod, 316 SS (F-44375, F-44376, F-44500) | 1 |
| F-44N15 | Guide Rod, 316 SS (F-44750) | 1 | |
| 7 | F-45N007 | Guide Rod holder, Polysulfone (F-44375, F-44376, F-44500 models) | 2 |
| F-45N019 | Guide Rod holder, Polysulfone (F-44750 models) | 2 | |
| 11 | F-45N043 | Indicator, Red | 1 |
F-440E (Elbow Panel Mount) Replacement Parts
| ITEM NO. | PART NUMBER | DESCRIPTION | QTY |
| 1 | F-44N40 | 3/8” Male NPT 90o Elbow adapter, Polysulfone | 2 |
| F-44N20 | 1/2” Male NPT 90o Elbow, Polysulfone | 2 | |
| F-44N21 | 3/4” Male NPT 90o Elbow, large body, Polysulfone (for F-44750 models) | 2 | |
| F-44N42 | 1/2” Male NPT 90o Elbow, large body, Polysulfone (for F-44750 models) | 2 | |
| 2 | F-44N05 | 3/8” and 1/2” Half Union, Nylon | 2 |
| F-44N06 | 1/2” and 3/4” Half Union, Nylon (for F-44750 models) | 2 | |
| 3 | F-4427A | 3/8” and1/2” Panel mount lock nut | 2 |
| F-4428A | 3/4” Panel mount lock nut | 2 | |
| 4 | 90003-152 | 3/8” or 1/2” O-ring seal, Viton | 2 |
| 90003-627 | 3/8” or 1/2” O-ring seal, EP | 2 | |
| 90003-082 | 1/2” or 3/4” O-ring seal, Viton (for F-44750 models) | 2 | |
| F-5026X | 1/2” or 3/4” O-ring seal, EP (for F-44750 models) | 2 | |
| 5 | N/A | Meterbody and Float (not sold separately) | 1 |
| 6 | F-44N14 | Guide Rod, 316 SS (F-44375, F-44376, F-44500 models) | 1 |
| F-44N15 | Guide Rod, 316 SS (F-44750 models) | 1 | |
| 7 | F-45N007 | Guide Rod holder, Polysulfone (F-44375, F-44376, F-44500 models) | 2 |
| F-45N019 | Guide Rod holder, Polysulfone (F-44750 models) | 2 | |
| 11 | F-45N043 | Indicator, Red | 1 |
F-440A (Adjustable Panel Mount) Replacement Parts
| ITEM NO. | PART NUMBER | DESCRIPTION | QTY |
| 1 | F-44N40 | 3/8” Male NPT 90o Elbow adapter, Polysulfone | 2 |
| F-44N20 | 1/2” Male NPT 90o Elbow, Polysulfone | 2 | |
| F-44N21 | 3/4” Male NPT 90o Elbow, large body, Polysulfone (for F-44750 models) | 2 | |
| F-44N42 | 1/2” Male NPT 90o Elbow, large body, Polysulfone (for F-44750 models) | 2 | |
| 2 | F-44N05 | 3/8” and 1/2” Half Union, Nylon | 2 |
| F-44N06 | 1/2” or 3/4” Half Union, Nylon (for F-44750 models) | 2 | |
| 3 | F-4427A | 3/8” and1/2” Panel mount lock nut | 2 |
| F-4428A | 3/4” Panel mount lock nut | 2 | |
| 4 | 90003-152 | 3/8” or 1/2” O-ring seal, Viton | 2 |
| 90003-627 | 3/8” or 1/2” O-ring seal, EP | 2 | |
| 90003-082 | 1/2” or 3/4” O-ring seal, Viton (for F-44750 models) | ||
| F-5026X | 1/2” or 3/4” O-ring seal, EP (for F-44750 models) | ||
| 5 | N/A | Meterbody and Float (not sold separately) | 1 |
| 6 | F-44N14 | Guide Rod, 316 SS (F-44375, F-44376, F-44500 models) | 1 |
| F-44N15 | Guide Rod, 316 SS (F-44750 models) | 1 | |
| 7 | F-45N007 | Guide Rod holder, Polysulfone (F-44375, F-44376, F-44500 models) | 2 |
| F-45N019 | Guide Rod holder, Polysulfone (F-44750 models) | 2 | |
| 8 | F-44N40-1 | 3/8” M/NPT Needle Valve Assy, Polysulfone/Polypropylene, Viton | |
| F-44N40-2 | 1/2” M/NPT Needle Valve Assy, Polysulfone/Polypropylene, Viton | ||
| F-45N031-2 | 1/2” M/NPT Needle Valve Assy, large, Polysulfone/Polypropylene, Viton (F-44750 models) | 1 | |
| F-45N031-3 | 3/4” M/NPT Needle Valve Assy, large, Polysulfone/Polypropylene, Viton (F-44750 models) | 1 | |
| 9 | 90003-010 | O-ring, Viton | 2 |
| 90003-597 | O-ring, EP | 2 | |
| 10 | 90003-071 | O-ring, Viton | 1 |
| 90003-018 | O-ring, Ep | 1 | |
| 11 | F-45N043 | Indicator, Red | 1 |
