Water Systems

BT4 Series

Cast Iron Features:

  • Designed for boosting water pressure from a variety of sources including municipal and private water systems.
  • Stainless steel discharge head on all models.
  • Cast iron motor bracket with a rugged support foot for horizontal or vertical mounting, and a handle for portability of the unit.
  • 1" suction and 1" discharge are the same across the entire line, simplifying installation and maintenance.
  • The booster pump is built by Franklin Electric’s Patented (U.S.) Patent 7,290,984) Tri-Seal floating stage system, for maximum efficiency, longevity, and performance.
  • Assembled with the highest quality materials of construction, such as Celcon® for impellers, Noryl® for the diffusers, and 300 series stainless steel for the hub, eye seals, shaft and shell.
  • Easily serviced through a back pull-out design, which leaves all plumbing and the pump undisturbed in their original location.
  • Industry proven high service factor square flange motors from A.O. Smith.
  • 1/2 through 2 hp motors are dual voltage, set to run with either 115V or 230V incoming power; while 3 hp are 230V only.
  • Shut-off pressures up to 270 PSI, flow rates from 5 to 25 gpm, and temperatures up to 120° F / 49° C.

Stainless Steel Features:

Includes all of the Cast Iron features above plus:
  • Viton® mechanical seal for chemical resistance
  • Available with A.O. Smith motors 3-phase motors
  • Available as a pump end only
  • Stainless steel motor bracket with a rugged support foot for horizontal or vertical mounting, and a handle for portability of the unit
Celcon® is a Registered Trademark of the Celanese Corporation.
Noryl® is a Registered Trademark of G.E.
Viton® is a Registered Trademark of Dupont Dow Elastomers.
             Casing Type:
GPMHPPhaseDischarge/SuctionVoltsCasingTypeModel No.Order No.Wt.
51/3Single-Phase 1" x 1" 115/230Vstainless steel5FBT03S4 9583050533
51/3Single-Phase 1" x 1" 115/230Vcast iron5FBT03C49588050136
51/2Single-Phase 1" x 1" 115/230Vstainless steel5FBT05S4 9583051037
51/2Single-Phase 1" x 1" 115/230Vcast iron5FBT05C49588050540
51/2Three-Phase 1" x 1" 208-230/460Vstainless steel5FBT05S4-T9583055534
53/4Single-Phase 1" x 1" 115/230Vstainless steel5FBT07S4 9583051541
53/4Single-Phase 1" x 1" 115/230Vcast iron5FBT07C49588051044
53/4Three-Phase 1" x 1" 208-230/460Vstainless steel5FBT07S4-T9583056039
51Single-Phase 1" x 1" 115/230Vstainless steel5FBT1S49583052046
51Three-Phase 1" x 1" 208-230/460Vstainless steel5FBT1S4-T9583056542
51Single-Phase 1" x 1" 115/230Vcast iron5FBT1C49588051549
71/2Single-Phase 1" x 1" 115/230Vstainless steel7FBT05S4 9583071037
71/2Single-Phase 1" x 1" 115/230Vcast iron7FBT05C49588070540
71/2Three-Phase 1" x 1" 208-230/460Vstainless steel7FBT05S4-T9583075533
73/4Single-Phase 1" x 1" 115/230Vstainless steel7FBT07S4 9583071540
73/4Single-Phase 1" x 1" 115/230Vcast iron7FBT07C49588071043
73/4Three-Phase 1" x 1" 208-230/460Vstainless steel7FBT07S4-T9583076038
71Single-Phase 1" x 1" 115/230Vstainless steel7FBT1S49583072046
71Three-Phase 1" x 1" 208-230/460Vstainless steel7FBT1S4-T9583076541
71Single-Phase 1" x 1" 115/230Vcast iron7FBT1C49588071549
71.5Single-Phase 1" x 1" 115/230Vstainless steel7FBT15S49583072553
71.5Single-Phase 1" x 1" 115/230Vcast iron7FBT15C49588072056
71.5Three-Phase 1" x 1" 208-230/460Vstainless steel7FBT15S4-T9583077049
101/2Single-Phase 1" x 1" 115/230Vstainless steel10FBT05S49583101037
101/2Single-Phase 1" x 1" 115/230Vcast iron10FBT05C49588100540
101/2Three-Phase 1" x 1" 208-230/460Vstainless steel10FBT05S4-T9583105539
103/4Single-Phase 1" x 1" 115/230Vstainless steel10FBT07S49583101539
103/4Three-Phase 1" x 1" 208-230/460Vstainless steel10FBT07S4-T9583106038
103/4Single-Phase 1" x 1" 115/230Vcast iron10FBT07C49588101042
101Single-Phase 1" x 1" 115/230Vstainless steel10FBT1S49583102045
101Three-Phase 1" x 1" 208-230/460Vstainless steel10FBT1S4-T9583106541
101Single-Phase 1" x 1" 115/230Vcast iron10FBT1C49588101548
101.5Single-Phase 1" x 1" 115/230Vstainless steel10FBT15S49583102552
101.5Single-Phase 1" x 1" 115/230Vcast iron10FBT15C49588102055
101.5Three-Phase 1" x 1" 208-230/460Vstainless steel10FBT15S4-T9583107048
102Single-Phase 1" x 1" 115/230Vstainless steel10FBT2S49583103056
102Single-Phase 1" x 1" 115/230Vcast iron10FBT2C49588102559
102Three-Phase 1" x 1" 208-230/460Vstainless steel10FBT2S4-T9583107551
153/4Single-Phase 1" x 1" 115/230Vstainless steel15FBT07S49583151539
153/4Three-Phase 1" x 1" 208-230/460Vstainless steel15FBT07S4-T9583156037
153/4Single-Phase 1" x 1" 115/230Vcast iron15FBT07C49588151042
151Single-Phase 1" x 1" 115/230Vstainless steel15FBT1S49583152044
151Three-Phase 1" x 1" 208-230/460Vstainless steel15FBT1S4-T9583156540
151Single-Phase 1" x 1" 115/230Vcast iron15FBT1C49588151547
151.5Single-Phase 1" x 1" 115/230Vstainless steel15FBT15S49583152549
151.5Three-Phase 1" x 1" 208-230/460Vstainless steel15FBT15S4-T9583157045
151.5Single-Phase 1" x 1" 115/230Vcast iron15FBT15C49588152052
152Single-Phase 1" x 1" 115/230Vstainless steel15FBT2S49583153055
152Single-Phase 1" x 1" 115/230Vcast iron15FBT2C49588152558
152Three-Phase 1" x 1" 208-230/460Vstainless steel15FBT2S4-T9583157550
203/4Single-Phase 1" x 1" 115/230Vstainless steel20FBT07S49583201539
203/4Three-Phase 1" x 1" 208-230/460Vstainless steel20FBT07S4-T9583206038
203/4Single-Phase 1" x 1" 115/230Vcast iron20FBT07C49588201042
201Single-Phase 1" x 1" 115/230Vstainless steel20FBT1S49583202044
201Three-Phase 1" x 1" 208-230/460Vstainless steel20FBT1S4-T9583206540
201Single-Phase 1" x 1" 115/230Vcast iron20FBT1C49588201547
201.5Single-Phase 1" x 1" 115/230Vstainless steel20FBT15S49583202551
201.5Three-Phase 1" x 1" 208-230/460Vstainless steel20FBT15S4-T9583207045
201.5Single-Phase 1" x 1" 115/230Vcast iron20FBT15C49588202054
202Single-Phase 1" x 1" 115/230Vstainless steel20FBT2S49583203055
202Single-Phase 1" x 1" 115/230Vcast iron20FBT2C49588202558
202Three-Phase 1" x 1" 208-230/460Vstainless steel20FBT2S4-T9583207550
203Single-Phase 1" x 1" 115/230Vstainless steel20FBT3S49583203567
203Single-Phase 1" x 1" 115/230Vcast iron20FBT3C49588203570
203Three-Phase 1" x 1" 208-230/460Vstainless steel20FBT3S4-T9583208058
251Single-Phase 1" x 1" 115/230Vstainless steel25FBT1S49583252044
251Three-Phase 1" x 1" 208-230/460Vstainless steel25FBT1S4-T9583256539
251Single-Phase 1" x 1" 115/230Vcast iron25FBT1C49588251547
251.5Single-Phase 1" x 1" 115/230Vstainless steel25FBT15S49583252548
251.5Three-Phase 1" x 1" 208-230/460Vstainless steel25FBT15S4-T9583257044
251.5Single-Phase 1" x 1" 115/230Vcast iron25FBT15C49588252051
252Single-Phase 1" x 1" 115/230Vstainless steel25FBT2S49583253054
252Single-Phase 1" x 1" 115/230Vcast iron25FBT2C49588252557
252Three-Phase 1" x 1" 208-230/460Vstainless steel25FBT2S4-T9583257547
253Single-Phase 1" x 1" 115/230Vstainless steel25FBT3S49583253566
253Single-Phase 1" x 1" 115/230Vcast iron25FBT3C49588253569
253Three-Phase 1" x 1" 208-230/460Vstainless steel25FBT3S4-T9583258058
Filter Results:                  
GPMHPModel No.Order No.Wt.
51/35BT03S4-PE9592050718
51/25BT05S4-PE9592050919
53/45BT07S4-PE9592051220
515BT1S4-PE9592051521
71/27BT05S4-PE9592070818
71/27BT07S4-PE9592071019
73/47BT1S4-PE9592071420
717BT15S4-PE9592071924
101/210BT05S4-PE9592100718
103/410BT07S4-PE9592100819
10110BT1S4-PE9592101120
101.510BT15S4-PE9592101523
10210BT2S4-PE9592101824
153/415BT07S4-PE9592150618
15115BT1S4-PE9592150819
151.515BT15S4-PE9592151220
15215BT2S4-PE9592151523
203/420BT07S4-PE9592200518
20120BT1S4-PE9592200719
201.520BT15S4-PE9592201020
20220BT2S4-PE9592201223
20320BT3S4-PE9592201524
25125BT1S4-PE9592250618
251.525BT15S4-PE9592250819
25225BT2S4-PE9592251020
25325BT3S4-PE9592251324
GPMHPOrder No.StageABC
51/39583050579.63"13.49"23.12"
51/39588050179.63"13.49"23.12"
51/295830510910.38"15.14"25.52"
51/295880505910.38"15.14"25.52"
51/29583055599.85"15.14"24.99"
53/4958305151211.00"17.60"28.60"
53/4958805101211.00"17.60"28.60"
53/4958305601210.50"17.60"28.10"
51958305201511.88"20.06"31.94"
51958805151511.88"20.06"31.94"
51958305651510.85"20.03"30.88"
71/295830710810.38"14.31"24.69"
71/295880705810.38"14.31"24.69"
71/29583075589.85"14.00"23.85"
73/4958307151011.00"15.96"26.69"
73/4958807101011.00"15.96"26.69"
73/4958307601010.50"14.31"24.81"
71958307201411.88"19.24"31.12"
71958807151411.88"19.24"31.12"
71958307651410.85"15.96"26.81"
71.5958307251912.63"23.35"35.98"
71.5958807201912.63"23.35"35.98"
71.5958307701911.85"23.35"35.20"
101/295831010710.38"14.07"24.45"
101/295881005710.38"14.07"24.45"
101/29583105579.85"14.07"23.92"
103/495831015811.00"14.98"25.98"
103/495881010811.00"14.98"25.98"
103/495831060810.50"14.98"25.48"
101958310201111.88"17.69"29.57"
101958310651110.85"17.69"28.54"
101958810151111.88"17.69"29.57"
101.5958310251512.63"21.31"33.94"
101.5958310701511.85"21.31"33.16"
101.5958810201512.63"21.31"33.94"
102958310301812.63"24.02"36.65"
102958310751812.60"24.02"36.62"
102958810251812.63"24.02"36.65"
153/495831515611.00"13.17"24.17"
153/495881510611.00"13.17"24.17"
153/495831560610.50"13.17"23.67"
15195831520811.88"14.98"26.86"
15195881515811.88"14.98"26.86"
15195831565810.85"14.98"25.83"
151.5958315251212.63"18.59"31.22"
151.5958815201212.63"18.59"31.22"
151.5958315701211.85"18.59"30.44"
152958315301512.63"21.31"33.94"
152958815251512.63"18.59"31.22"
152958315751512.60"21.31"33.91"
203/495832015511.00"13.87"24.87"
203/495882010511.00"13.87"24.87"
203/495832060510.50"13.87"24.37"
20195832020711.88"16.31"28.19"
20195882015711.88"16.31"28.19"
20195832065710.85"16.31"27.16"
201.5958320251012.63"19.99"32.62"
201.5958320701011.85"19.99"31.84"
201.5958820201012.63"19.99"32.62"
202958320301212.63"22.43"35.06"
202958320751212.60"22.43"35.03"
202958820251212.63"22.43"35.06"
203958320351513.18"26.11"39.29"
203958320801512.69"26.11"38.80"
203958820351513.18"26.11"39.29"
25195832520611.88"15.09"26.97"
25195882515611.88"15.09"26.97"
25195832565610.85"15.09"25.94"
251.595832525812.63"17.54"30.17"
251.595882520812.63"17.54"30.17"
251.595832570811.85"17.54"29.39"
252958325301012.63"19.99"32.62"
252958825251012.63"19.99"32.62"
252958325751012.60"19.99"32.59"
253958325351313.18"23.66"36.84"
253958825351313.18"23.66"36.84"
253958325801312.69"23.66"36.35"