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Here at Spa Parts Shop we stock the most common spa Low Flow spa heaters. LoFlow hot tub heaters utilize a circulation pump in addition to any jet pumps.
Below is a list of many smaller spa manufactures heaters which can still be purchased through us.
If we have the heater available for purchase, the part number & 'Click Here' will be visible.
For non-stocked heaters please contact us. Typically special order spa heaters can be order in 10-14 days.

For Vertical mount low flow spa heaters click here


4KW 120/240v Hawkeye Complete Square heater with cord & pressure switch C6746-1 (SPECIAL ORDER, Contact us for details)

4KW 120/240v Hawkeye Complete Square heater with cord & pressure switch

Replaces: SEH-4100-NHW-6746

COMFORT LINE 1.2kw 240V Low Flow 17" Straight Heater (w/26" cord. Min flow rate 10GPM) C3554-1 (SPECIAL ORDER, Contact us for details)

COMFORT LINE 1.2kw 240V Low Flow 17″ Straight Heater (w/26″ cord. Min flow rate 10GPM)

COMFORT LINE 2.7kw 240V Low Flow 32" Straight Heater (w/26" cord. Min flow rate 10GPM) C3554-2 (SPECIAL ORDER, Contact us for details)

COMFORT LINE 2.7kw 240V Low Flow 32″ Straight Heater (w/26″ cord. Min flow rate 10GPM)

COMFORT LINE 4.0kw 240V Low Flow 41" Straight Heater (w/26" cord. Min flow rate 10GPM) C3554-3 (SPECIAL ORDER, Contact us for details)

COMFORT LINE 4.0kw 240V Low Flow 41″ Straight Heater (w/26″ cord. Min flow rate 10GPM)

JACUZZI, SUNDANCE 4.0kw 240V Low Flow Trombone Heater (26"x6" dual element w/26" 3-wire pigtail cord, & built in TCO) C3226-1A Click Here

JACUZZI, SUNDANCE 4.0kw 240V Low Flow Trombone Heater (26″x6″ dual element w/26″ 3-wire pigtail cord, & built in TCO)

SEH-4300-NHCW-6699

CALDERA, WATKINS 4.0kw 240V Low Flow Trombone Heater (26"x6" dual element w/24" pigtail cord & off angle box w 3/4" barb & pressure switch cord) C3473-1 Click Here

CALDERA, WATKINS 4.0kw 240V Low Flow Trombone Heater (26″x6″ dual element w/24″ pigtail cord & off angle box w 3/4″ barb & pressure switch cord)

IHH-4300-NHW-7340, SEH-4300-NHW-6596

C3556-1 C3556-1 Click Here

D1 5.5kw 240V Low Flow Trombone Heater (26″x6″ dual element attaches to Laing pump, w/3ft cord & special plug. Comes with RPL5-6300K pump kit)

PEH-4326-NH-6000, PEH-5556-NHW-6388

ABER-PACIFIC 4.0kw 240V Low Flow Trombone Heater (26"x6" dual element attaches to Laing pump, w/3ft cord & special plug. Comes with RPL5-6300K pump kit) C3556-2 (SPECIAL ORDER, Contact us for details)

ABER-PACIFIC 4.0kw 240V Low Flow Trombone Heater (26″x6″ dual element attaches to Laing pump, w/3ft cord & special plug. Comes with RPL5-6300K pump kit)

PEH5526-NH-6742, PEH-5526-NH-6340-PEH-5556-NHW-6388

4.0 kw 240V Low Flow Square Back Heater (low profile w/3amp cord and pressure switch w/cord. Min flow rate 10 gpm) C3474-1 (SPECIAL ORDER, Contact us for details)

4.0 kw 240V Low Flow Square Back Heater (low profile w/3amp cord and pressure switch w/cord. Min flow rate 10 gpm)

5.5kw 240V Low Flow Square Back Heater (20"x16"x14" w/32" pigtail cord) C3238-1A Click Here

ABER-PACIFIC 5.5kw 240V Low Flow Square Back Heater (20″x16″x14″ w/32″ pigtail cord)

SHH-5500-NHCW6938

BAY SPA 5.5kw 240V Low Flow Square Back Heater (dual element with 4 wires, wraps around Gecko M class control box, with TCO, & plate) C3550-1 Click Here

D1, GECKO, BAY SPA 5.5kw 240V Low Flow Square Back Heater (21″x14.5″ dual element with 4 wires, wraps around Gecko M class control box, with TCO, & plate)

SHH-5500-NH6871, SSH-5200-NH-6785, NHH-5500-NH-7328, SHH-5500-NH-6771

5.5kw 240V Low Flow Square Back Heater (dual element with 4 wires, wraps around Gecko M class control box. See diagram on tech page) C3549-1 (SPECIAL ORDER, Contact us for details)

ABER-PACIFIC, ARTESIAN, DYNASTY, GECKO 5.5kw 240V Low Flow Square Back Heater (21″x14.5″ dual element with 4 wires, wraps around Gecko M class control box. See diagram on tech page)

SHH-5500-NH-6727, C3242-1A

4.0kw 240V Low Flow Square Back Heater (with 26" cord. Pressure switch tap on side is plugged) C3236-1A Click Here

ARTESIAN, ATERA, HYDRO QUIP, SANTA BARBARA, LA SPAS 4.0kw 240V Low Flow Square Back Heater (26″x14″ with 26″ cord. Pressure switch tap on side is plugged)

SEH-5500-NHW-6698-6676, SEH-5500-NHW-7007, PEH-5526-NWH-6938, SEH-4100-NHCW-7130, SHH-5500-NH-6739, SEH-5500-NHW-6692/7154, SEH-5500-NHW-6652, SEH-5500-NHCW-6632
SHH-4100-NH-6739, SEH-5500-NHW-6659

SUNDANCE 5.5kw 240V Low Flow Square Back Heater C3229-1A Click Here

SUNDANCE 5.5kw 240V Low Flow Square Back Heater 23″x10″x15″ – 3 wires with folk connectors & built-in TCO. Can use C3229-2A heater and change wire connectors

SEH-550-NH-6699

SUNDANCE 5.5kw 240V Low Flow Square Back Heater C3229-2A Click Here

SUNDANCE 5.5kw 240V Low Flow Square Back Heater 23″x10″x15″ for Jacuzzi only – with spade connectors

For Jacuzzi ony up through model year 2007. SEH-5500-NH-6698

D1 5.5kw 240V Low Flow Heater (with built in  TCO) C3548-1 (SPECIAL ORDER, Contact us for details)

D1 5.5kw 240V Low Flow Heater (with built in TCO)

SEH550-NHC-7300, SEH-5200-NH-6757, SEH-5500-NH-6144

LAING "TRUMPET" 4.0kw 240V Low Flow Heater 7211 (OBSOLETE)

LAING “TRUMPET” 6.0kw 240V Low Flow Heater

OBSOLETE – To be replaced by C3564-1 heater with manual reset high limit

LAING "TRUMPET" 4.0kw 240V Low Flow Heater 6758 (OBSOLETE)

LAING “TRUMPET” 4.0kw 240V Low Flow Heater

OBSOLETE – To be replaced by C3564-2 heater with manual reset high limit

4.0kw 240V Heater With Manual Reset Hilimit C3564-1 Click Here

6.0kw 240V Heater With Manual Reset Hilimit

IHH-4000-NHCW-6759, IHH-4000-NHCW-7211.0

4.0kw 240V Heater With Manual Reset Hilimit C3564-2 Click Here

4.0kw 240V Heater With Manual Reset Hilimit

IHH-4000-NHCW-6758

WATKINS 4.0kw 240V PDR Heater C3160-1

WATKINS 6.0kw 240V PDR Heater

Proprietary item, contact WATKINS distribution network for purchasing information.

WATKINS 4.0kw 240V PDR Heater C3160-2

WATKINS 4.0kw 240V PDR Heater

Proprietary item, contact WATKINS distribution network for purchasing information.

HOT SPRINGS 4.0kw 240V No Fault Heater (with sensor cord) 72795

HOT SPRINGS 6.0kw 240V No Fault Heater (with sensor cord)

Proprietary item, contact Hot Spring distribution network for purchasing information.

HOT SPRINGS 4.0kw 240V No Fault Heater (with sensor cord) 73039

HOT SPRINGS 4.0kw 240V No Fault Heater (with sensor cord)

Proprietary item, contact Hot Spring distribution network for purchasing information.


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