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 steel5SBT03S4 9581050533
51/3Single-Phase 1" x 1" 115/230Vcast iron5SBT03C49586050136
51/2Single-Phase 1" x 1" 115/230Vstainless steel5SBT05S4 9581051037
51/2Single-Phase 1" x 1" 115/230Vcast iron5SBT05C49586050540
51/2Three-Phase 1" x 1" 208-230/460Vstainless steel5SBT05S4-T9581055534
53/4Single-Phase 1" x 1" 115/230Vstainless steel5SBT07S4 9581051541
53/4Single-Phase 1" x 1" 115/230Vcast iron5SBT07C49586051044
53/4Three-Phase 1" x 1" 208-230/460Vstainless steel5SBT07S4-T9581056039
51Single-Phase 1" x 1" 115/230Vstainless steel5SBT1S49581052046
51Three-Phase 1" x 1" 208-230/460Vstainless steel5SBT1S4-T9581056542
51Single-Phase 1" x 1" 115/230Vcast iron5SBT1C49586051549
71/2Single-Phase 1" x 1" 115/230Vstainless steel7SBT05S4 9581071037
71/2Single-Phase 1" x 1" 115/230Vcast iron7SBT05C49586070540
71/2Three-Phase 1" x 1" 208-230/460Vstainless steel7SBT05S4-T9581075533
73/4Single-Phase 1" x 1" 115/230Vstainless steel7SBT07S4 9581071540
73/4Single-Phase 1" x 1" 115/230Vcast iron7SBT07C49586071043
73/4Three-Phase 1" x 1" 208-230/460Vstainless steel7SBT07S4-T9581076038
71Single-Phase 1" x 1" 115/230Vstainless steel7SBT1S49581072046
71Three-Phase 1" x 1" 208-230/460Vstainless steel7SBT1S4-T9581076541
71Single-Phase 1" x 1" 115/230Vcast iron7SBT1C49586071549
71.5Single-Phase 1" x 1" 115/230Vstainless steel7SBT15S49581072553
71.5Single-Phase 1" x 1" 115/230Vcast iron7SBT15C49586072056
71.5Three-Phase 1" x 1" 208-230/460Vstainless steel7SBT15S4-T9581077049
101/2Single-Phase 1" x 1" 115/230Vstainless steel10SBT05S49581101037
101/2Single-Phase 1" x 1" 115/230Vcast iron10SBT05C49586100540
101/2Three-Phase 1" x 1" 208-230/460Vstainless steel10SBT05S4-T9581105539
103/4Single-Phase 1" x 1" 115/230Vstainless steel10SBT07S49581101539
103/4Three-Phase 1" x 1" 208-230/460Vstainless steel10SBT07S4-T9581106038
103/4Single-Phase 1" x 1" 115/230Vcast iron10SBT07C49586101042
101Single-Phase 1" x 1" 115/230Vstainless steel10SBT1S49581102045
101Three-Phase 1" x 1" 208-230/460Vstainless steel10SBT1S4-T9581106541
101Single-Phase 1" x 1" 115/230Vcast iron10SBT1C49586101548
101.5Single-Phase 1" x 1" 115/230Vstainless steel10SBT15S49581102552
101.5Single-Phase 1" x 1" 115/230Vcast iron10SBT15C49586102055
101.5Three-Phase 1" x 1" 208-230/460Vstainless steel10SBT15S4-T9581107048
102Single-Phase 1" x 1" 115/230Vstainless steel10SBT2S49581103056
102Single-Phase 1" x 1" 115/230Vcast iron10SBT2C49586102559
102Three-Phase 1" x 1" 208-230/460Vstainless steel10SBT2S4-T9581107551
153/4Single-Phase 1" x 1" 115/230Vstainless steel15SBT07S49581151539
153/4Three-Phase 1" x 1" 208-230/460Vstainless steel15SBT07S4-T9581156037
153/4Single-Phase 1" x 1" 115/230Vcast iron15SBT07C49586151042
151Single-Phase 1" x 1" 115/230Vstainless steel15SBT1S49581152044
151Three-Phase 1" x 1" 208-230/460Vstainless steel15SBT1S4-T9581156540
151Single-Phase 1" x 1" 115/230Vcast iron15SBT1C49586151547
151.5Single-Phase 1" x 1" 115/230Vstainless steel15SBT15S49581152549
151.5Three-Phase 1" x 1" 208-230/460Vstainless steel15SBT15S4-T9581157045
151.5Single-Phase 1" x 1" 115/230Vcast iron15SBT15C49586152052
152Single-Phase 1" x 1" 115/230Vstainless steel15SBT2S49581153055
152Single-Phase 1" x 1" 115/230Vcast iron15SBT2C49586152558
152Three-Phase 1" x 1" 208-230/460Vstainless steel15SBT2S4-T9581157550
203/4Single-Phase 1" x 1" 115/230Vstainless steel20SBT07S49581201539
203/4Three-Phase 1" x 1" 208-230/460Vstainless steel20SBT07S4-T9581206038
203/4Single-Phase 1" x 1" 115/230Vcast iron20SBT07C49586201042
201Single-Phase 1" x 1" 115/230Vstainless steel20SBT1S49581202044
201Three-Phase 1" x 1" 208-230/460Vstainless steel20SBT1S4-T9581206540
201Single-Phase 1" x 1" 115/230Vcast iron20SBT1C49586201547
201.5Single-Phase 1" x 1" 115/230Vstainless steel20SBT15S49581202551
201.5Three-Phase 1" x 1" 208-230/460Vstainless steel20SBT15S4-T9581207045
201.5Single-Phase 1" x 1" 115/230Vcast iron20SBT15C49586202054
202Single-Phase 1" x 1" 115/230Vstainless steel20SBT2S49581203055
202Single-Phase 1" x 1" 115/230Vcast iron20SBT2C49586202558
202Three-Phase 1" x 1" 208-230/460Vstainless steel20SBT2S4-T9581207550
203Single-Phase 1" x 1" 115/230Vstainless steel20SBT3S49581203567
203Single-Phase 1" x 1" 115/230Vcast iron20SBT3C49586203570
203Three-Phase 1" x 1" 208-230/460Vstainless steel20SBT3S4-T9581208058
251Single-Phase 1" x 1" 115/230Vstainless steel25SBT1S49581252044
251Three-Phase 1" x 1" 208-230/460Vstainless steel25SBT1S4-T9581256539
251Single-Phase 1" x 1" 115/230Vcast iron25SBT1C49586251547
251.5Single-Phase 1" x 1" 115/230Vstainless steel25SBT15S49581252548
251.5Three-Phase 1" x 1" 208-230/460Vstainless steel25SBT15S4-T9581257044
251.5Single-Phase 1" x 1" 115/230Vcast iron25SBT15C49586252051
252Single-Phase 1" x 1" 115/230Vstainless steel25SBT2S49581253054
252Single-Phase 1" x 1" 115/230Vcast iron25SBT2C49586252557
252Three-Phase 1" x 1" 208-230/460Vstainless steel25SBT2S4-T9581257547
253Single-Phase 1" x 1" 115/230Vstainless steel25SBT3S49581253566
253Single-Phase 1" x 1" 115/230Vcast iron25SBT3C49586253569
253Three-Phase 1" x 1" 208-230/460Vstainless steel25SBT3S4-T9581258058
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
51/39581050579.63"13.49"23.12"
51/39586050179.63"13.49"23.12"
51/295810510910.38"15.14"25.52"
51/29586050599.63""13.49"23.12"
51/29581055599.85"15.14"24.99"
53/4958105151211.00"17.60"28.60"
53/4958605101210.38"15.14"25.52"
53/4958105601210.50"17.60"28.10"
51958105201511.88"20.06"31.94"
51958105651510.85"20.03"30.88"
51958605151511.00"17.60"28.60"
71/295810710810.38"14.31"24.69"
71/29586070589.63"12.67"22.30"
71/29581075589.85"14.00"23.85"
73/4958107151011.00"15.96"26.69"
73/4958607101010.38"14.31"24.69"
73/4958107601010.50"14.31"24.81"
71958107201411.88"19.24"31.12"
71958107651410.85"15.96"26.81"
71958607151411.00"15.96"26.96"
71.5958107251912.63"23.35"35.98"
71.5958607201911.88"19.24"31.12"
71.5958107701911.85"23.35"35.20"
101/295811010710.38"14.07"24.45"
101/29586100579.63"12.27"21.90"
101/29581105579.85"14.07"23.92"
103/495811015811.00"14.98"25.98"
103/495811060810.50"14.98"25.48"
103/495861010810.38"14.07"24.45"
101958110201111.88"17.69"29.57"
101958110651110.85"17.69"28.54"
101958610151111.00"14.98"25.98"
101.5958110251511.88"17.69"29.57"
101.5958610201511.88"17.69"29.57"
101.5958110701511.85"21.31"33.16"
102958110301812.63"24.02"36.65"
102958610251812.63"21.31"33.94"
102958110751812.60"24.02"36.62"
153/495811515611.00"13.17"24.17"
153/495811560610.50"13.17"23.67"
153/495861510610.38"12.27"22.65"
15195811520811.88"14.98"26.86"
15195811565810.85"14.98"25.83"
15195861515811.00"13.17"24.17"
151.5958115251212.63"18.59"31.22"
151.5958115701211.85"18.59"30.44"
151.5958615201211.88"14.98"26.86"
152958115301512.63"21.31"33.94"
152958615251512.63"18.59"31.22"
152958115751512.60"21.31"33.91"
203/495812015511.00"13.87"24.87"
203/495812060510.50"13.87"24.37"
203/495862010510.38"12.64"23.02"
20195812020711.88"16.31"28.19"
20195812065710.85"16.31"27.16"
20195862015711.00"13.87"24.87"
201.5958120251012.63"19.99"32.62"
201.5958120701011.85"19.99"31.84"
201.5958620201011.88"16.31"28.19"
202958120301212.63"22.43"35.06"
202958620251212.63"19.99"32.62"
202958120751212.60"22.43"35.03"
203958120351513.18"26.11"39.29"
203958620351513.18"26.11"39.29"
203958120801512.69"26.11"38.80"
25195812520611.88"15.09"26.97"
25195812565610.85"15.09"25.94"
25195862515611.00"12.64"23.64"
251.595812525812.63"17.54"30.17"
251.595812570811.85"17.54"29.39"
251.595862520811.88"15.09"26.97"
252958125301012.63"19.99"32.62"
252958625251012.63"17.54"30.17"
252958125751012.60"19.99"32.59"
253958125351313.18"23.66"36.84"
253958625351313.18"23.66"36.84"
253958125801312.69"23.66"36.35"