FSI

FSI is an aftermarket RV parts and accessories distributorship, serving the Northeast for over 70 years.

Prices subject to change. Returns are subject to a 20% restocking fee.

Hose / Fittings / Valves

Display: 100
1-100 of 107 results
Stock #: 7-21112
Mfg #: 54FF
High quality brass elbow. Flare to female pipe, tube x FPT.
$2.39
Stock #: 7-21110
Mfg #: 54FE
High quality brass elbow. Flare to female pipe, tube x FPT.
$2.39
Stock #: 7-21109
Mfg #: 54EF
High quality brass elbow. Flare to female pipe, tube x FPT.
$2.39
Stock #: 7-21108
Mfg #: 54EE
High quality brass elbow. Flare to female pipe, tube x FPT.
$2.69
Stock #: 7-21105
Mfg #: 55F
High quality brass elbow.
$1.89
Stock #: 7-21104
Mfg #: 55E
High quality brass elbow.
$1.89
Stock #: 7-21120
Mfg #: 448-8-6
High quality brass reducing flare tee.
$3.15
Stock #: 7-21119
Mfg #: 44-FEF
High quality brass reducing flare tee.
$3.39
Stock #: 7-21448
Mfg #: 44F
High quality brass tee. Flare to 3 way male.
$3.79
Stock #: 7-21446
Mfg #: 44E
High quality brass tee. Flare to 3 way male.
$3.75
Stock #: 7-21116
Mfg #: 42-8-6
High quality brass flare to flare reducing union.
$3.15
Stock #: 7-21558
Mfg #: 42F
High quality brass flare union threaded.
$2.15
Stock #: 7-21556
Mfg #: 42E
High quality brass flare union threaded
$2.59
Stock #: 7-21103
Mfg #: 46FF
High quality brass coupler. Flare to female pipe, tube x FPT.
$4.39
Stock #: 7-21102
Mfg #: 46FE
High quality brass coupler. Flare to female pipe, tube x FPT.
$2.49
Stock #: 7-21668
Mfg #: 46EF
High quality brass coupler. Flare to female pipe, tube x FPT.
$3.99
Stock #: 7-21666
Mfg #: 46EE
High quality brass coupler. Flare to female pipe, tube x FPT.
$2.15
Stock #: 7-21101
Mfg #: 49EF
High quality brass elbow.
$2.15
Stock #: 7-21988
Mfg #: 49FF
High quality brass elbow.
$2.69
Stock #: 7-21100
Mfg #: 49FE
High quality brass elbow.
$1.89
Stock #: 7-21966
Mfg #: 49EE
High quality brass elbow.
$1.39
Stock #: 7-00048
Mfg #: 48EC
$0.99
Stock #: 7-21888
Mfg #: 48FF
High quality brass Union Tube X MPT.
$1.59
Stock #: 7-21886
Mfg #: 48FE
High quality brass Union Tube X MPT.
$1.25
Stock #: 7-21488
Mfg #: 48EF
High quality brass Union Tube X MPT.
$1.39
Stock #: 7-21486
Mfg #: 48EE
High quality brass Union Tube X MPT.
$2.39
Stock #: 7-21115
Mfg #: 121-8
High quality brass plug.
$2.59
Stock #: 7-21114
Mfg #: 121-6
High quality brass plug.
$1.25
Stock #: 7-21113
Mfg #: 121-4
High quality brass plug.
$0.69
Stock #: 7-21578
Mfg #: 57-8
High quality brass flare plug.
$1.59
Stock #: 7-21576
Mfg #: P2E
High quality brass flare plug.
$0.99
Stock #: 7-21378
Mfg #: NSF
High quality brass flare cap.
$1.45
Stock #: 7-21376
Mfg #: N5E
High quality brass flare cap.
$1.35
Stock #: 6-91415
Mfg #: G415-2-P25
POL female x 1/4" MPT., threads to hose with POL male end to 1/4" MPT.
$10.59
Stock #: 6-91020
Mfg #: G-1700
This Marshall Brass Tee Check can be used with any LP gas regulator for connecting two LP gas cylinders. It
$14.95
Stock #: 6-44125
Mfg #: 14TC144FP6MP6
Gas hose, 3/8" MPT. x 3/8" F.P.T. ends.
$31.99
Stock #: 6-44124
Mfg #: 14TC60FP6MP6
Gas hose, 3/8" MPT. x 3/8" F.P.T. ends.
$13.59
Stock #: 6-05013
Mfg #: 59013
Low pressure, single stage regulator is zinc die cast with molded rubber diaphragm. Single stage regulators do not meet the
$16.35
Stock #: 6-71007
Mfg #: MEGR-630b
This regulator is designed for high pressure RV applications. This regulator is ideal for 5th wheel split cylinder applications.
$10.69
Stock #: 6-71006
Mfg #: MEGR-610b
This regulator is designed for high pressure RV applications. This regulator is ideal for 5th wheel split cylinder applications.
$9.99
Stock #: 6-71005
Mfg #: MEGR-800
LP regulator single stage, bulk.
$8.49
Stock #: 6-71004
Mfg #: MEGR-9954
The Integral Two Stage regulator combine both high pressure first stage and a low pressure second stage regulator into a
$26.49
Stock #: 6-71003
Mfg #: MEGR-9959
The Integral Two Stage regulator combine both high pressure first stage and a low pressure second stage regulator into a
$25.49
Stock #: 6-71002
Mfg #: MEGR-9950
The Integral Two Stage regulator combine both high pressure first stage and a low pressure second stage regulator into a
$25.49
Stock #: 6-71001
Mfg #: MEGR-9984
The Model MEGR-9984 Automatic Changeover Regulator automatically redirects LP gas vapor flow from an empty service cylinder to a reserve
$44.99
Stock #: 6-05003
Mfg #: 59005
Gets continuous gas supply by automatically changing to a reserve cylinder when the service cylinder is empty. Allows removal of
$46.99
Stock #: 6-44165
Mfg #: QDGMRVSET
LP Line quick connector eliminates the need for tools & wrenches. Simply push to connect - pull to disconnect.
$19.95
Stock #: 6-44162
Mfg #: QDGMRVC44F
LP line quick connector eliminates the need for tools & wrenches. Simply push to connect - pull to disconnect.
$16.75
Stock #: 6-05043
Mfg #: 59043
Propane hose extension is designed to thread directly into the opening on the high pressure appliance. Available in 60" and
$39.49
Stock #: 6-05042
Mfg #: 59042
Propane hose extension is designed to thread directly into the opening on the high pressure appliance. Available in 60" and
$24.49
Stock #: 6-71066
Mfg #: MER611-40
High pressure flexible Thermoplastic UL and CGA approved hose. 1/2" Female Flare Swivel X 3/8" MNPT
$13.25
Stock #: 6-71064
Mfg #: MER611-24
High pressure flexible Thermoplastic UL and CGA approved hose. 1/2" Female Flare Swivel X 3/8" MNPT
$5.39
Stock #: 6-71065
Mfg #: MER611-36
High pressure flexible Thermoplastic UL and CGA approved hose. 1/2" Female Flare Swivel X 3/8" MNPT
$13.15
Stock #: 6-71063
Mfg #: MER611-18
$4.15
Stock #: 6-71062
Mfg #: MER421-60
Thermaoplastic high pressure hose, 1"-20 Female Swivel X 1"-20 Male Swivel
$22.35
Stock #: 6-71061
Mfg #: MER413-144
$25.49
Stock #: 6-71060
Mfg #: MER413-60
$12.69
Stock #: 6-71059
Mfg #: MER413-48
$11.15
Stock #: 6-71058
Mfg #: MER413-36
$9.49
Stock #: 6-71069
Mfg #: ME2132
$0.75
Stock #: US4E
Mfg #: 34-6
High quality brass flare.
$5.99
Stock #: 6-71040
Mfg #: MER407-144
Thermoplastic high pressure hose , Soft-Nose Male POL plastic handwheel X 1"- 20 Male Swivel.
$28.99
Stock #: 6-71042
Mfg #: MER407-60
Thermoplastic high pressure hose , Soft-Nose Male POL plastic handwheel X 1"- 20 Male Swivel
$18.49
Stock #: 6-71053
Mfg #: MER410-24
High pressure UL & CGA approved assemblies 350 PSI working pressure 3/8 MPT x 3/8 female flare.
$12.15
Stock #: 6-71057
Mfg #: MER413-24
1/4" ID high pressure assemblies 3/8" FE. FL. x 3/8" FE. FL.
$6.39
Stock #: 6-71038
Mfg #: MER401-48
$13.39
Stock #: 6-71037
Mfg #: MER401-36
$12.69
Stock #: 6-71036
Mfg #: MER401-30
$11.99
Stock #: 6-71035
Mfg #: MER401-24
$11.49
Stock #: 6-71033
Mfg #: MER401-15
$10.75
Stock #: 6-71034
Mfg #: MER401-20
$11.99
Stock #: 6-71032
Mfg #: MER401-12
Excess Flow Male POL, 7/8" Nut and 1/4" Male Inverted Flare connections. 12" HOSE Flexible thermoplastic UL and CGA approved
$8.99
Stock #: 6-05033
Mfg #: 59033
Propane hose extension is designed to thread directly into the opening on the high pressure appliance. Available in 60" and
$27.99
Stock #: 6-71052
Mfg #: MER426-20
The ACME X 1/4” MPT (male pipe thread) will allow direct hook up to a two stage regulator and a
$13.15
Stock #: 6-71051
Mfg #: MER426-15
The ACME X 1/4" MPT (male pipe thread) will allow direct hook up to a two stage regulator and an
$12.59
Stock #: 6-71067
Mfg #: MER611-48
$15.59
Stock #: 6-71050
Mfg #: MER425-60
The ACME X 1/4" inverted flare pigtail will replace the standard POL X 1/4" inverted flare pigtail used in most
$19.49
Stock #: 6-71049
Mfg #: MER425-48
The ACME x 1/4" inverted flare pigtail will replace the standard POL x 1/4" inverted flare pigtail used in most
$16.19
Stock #: 6-71048
Mfg #: MER425-36
The ACME X 1/4" inverted flare pigtail will replace the standard POL X 1/4" inverted flare pigtail used in most
$14.99
Stock #: 6-71047
Mfg #: MER425-30
The ACME X 1/4" inverted flare pigtail will replace the standard POL X 1/4" inverted flare pigtail used in most
$14.15
Stock #: 6-71046
Mfg #: MER425-24
The ACME x 1/4" inverted flare pigtail will replace the standard POL x 1/4" inverted flare pigtail used in most
$13.39
Stock #: 6-71045
Mfg #: MER425-20
The ACME X 1/4" inverted flare pigtail will replace the standard POL X 1/4" inverted flare pigtail used in most
$12.99
Stock #: 6-71044
Mfg #: MER425-18
The ACME x 1/4" inverted flare pigtail will replace the standard POL x 1/4" inverted flare pigtail used in most
$12.69
Stock #: 6-71043
Mfg #: MER425-15
The ACME X 1/4" inverted flare pigtail will replace the standard POL X 1/4" inverted flare pigtail used in most
$12.39
Stock #: 6-05193
Mfg #: 59193
Flexible pigtail in a clamshell packaging used on two bottle systems with two stage automatic changeover regulators or regulators with
$25.99
Stock #: 6-05183
Mfg #: 59183
Flexible pigtail in a clamshell packaging used on two bottle systems with two stage automatic changeover regulators or regulators with
$21.35
Stock #: 6-05173
Mfg #: 59173
Flexible pigtail in a clamshell packaging used on two bottle systems with two stage automatic changeover regulators or regulators with
$19.35
Stock #: 6-05163
Mfg #: 59163
Flexible pigtail in a clamshell packaging used on two bottle systems with two stage automatic changeover regulators or regulators with
$21.25
Stock #: 6-05153
Mfg #: 59153
Flexible pigtail in a clamshell packaging used on two bottle systems with two stage automatic changeover regulators or regulators with
$19.75
Stock #: 6-05064
Mfg #: 59073
Flexible pigtail in a clamshell packaging used on two bottle systems with two stage automatic changeover regulators or regulators with
$16.49
Stock #: 6-05063
Mfg #: 59065
Flexible pigtail in a clamshell packaging used on two bottle systems with two stage automatic changeover regulators or regulators with
$15.19
Stock #: 6-05053
Mfg #: 59053
Flexible pigtail in a clamshell packaging used on two bottle systems with two stage automatic changeover regulators or regulators with
$13.99
Stock #: 8-00041
Mfg #: 511041
Low pressure regulator type 1 connection LP gas. 3/8" Female Flare Swivel Fittings. Includes 24" Connector. Right Angle 90And#176; Inlet
$24.19
Stock #: 6-21102
Mfg #: 511040
Ideal for BBQ grills, camp stoves, fish cookers and other small LP appliances. 24" hose, 3/8" FNPT x POL
$27.99
Stock #: 6-44163
Mfg #: QDGMRVN44M
LP Line quick connector eliminates the need for tools & wrenches. Simply push to connect - pull to disconnect.
$3.15
Stock #: 6-71039
Mfg #: MER401-60
$14.25
Stock #: 6-71041
Mfg #: MER407-48
Thermoplastic high pressure hose , Soft-Nose Male POL plastic handwheel X 1"- 20 Male Swivel
$14.79
Stock #: 6-16373
Mfg #: V20373
Fits all filler valves. 3/4" vapor withdrawal service/relief valve. Use on permanently mounted RV tanks built before 1990. 1 3/4"
$31.99
Stock #: 5-11555
Mfg #: V13230
1-3/4" NPT fill valve. Use on permanently mounted RV tanks built before 1984. Plastic cap protects fill valves from dust
$6.39
Stock #: 2-36207
Mfg #: V20004
1-3/4" NPT fill valve. Use on permanently mounted RV tanks built before 1984. Plastic cap protects fill valves from dust
$30.49
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