I would like to express how excellent this company is. I inherited a house with a 2007 Hotspring Aria hot tub. The spa hasn’t been operated in years and when I turned it on, it ran for about 10 minutes and died. I mean dead died. I knew absolutely nothing about hot tubs but with the excellent diagnosis videos, installation videos and superior phone support, I was able to replace the main control board, heater relay board, heater, circulation pump, the ozonator and all associated tubing. This took 4 1/2 hours over two days (I had to watch videos) but the spa runs like new! I had one question regarding the jumper voltage 18 or 12. I spoke with a technician and he was able to answer my question as well as helping me double check the voltages for the components on the relay board. I am handy with electronics and electricity and am comfortable working with 230 volts. Shipping was fast and as expected. I highly recommend BackYardPlus.On 06/28/2024 by F. R. (verified customer)
These control boxes and their circuit boards do on occasion just grow tired as any outdoor computer could. No worries, we have just the right complete factory replacements as well as the internal parts all from the makers of Hot Spring, Tiger River, Solana, Limelight, and Hot Spot Spas.
Showing 1–30 of 37 results
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Replaces the obsolete 39525 and obsolete 39204 Newly designed and includes o-ring This high-limit thermistor sensor is a safety device designed to communicate with the system to shut down the heater if the water temperature exiting your heater exceeds 118 ...read more
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Sku: 79006
Thermistor, Control Thermostat, Watkins No Fault Heater, Hot Spring, Tiger River and Limelight
Replaces the obsolete 39530 and obsolete 39205 Newly designed and includes o-ring This control thermistor is a safety device that measures the water temperature of your spa and communicates that temperature reading to the Motherboard It simply screws ...read more -
Replaces 38415 Newly designed and includes o-ring This control thermostat thermistor sensor detects the spa waters temperature and relays that information back to the system It simply screws into the No Fault Heater Housing (hand tight only) and plugs ...read more
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Replaces 38416 Newly designed and includes o-ring This high-limit thermistor sensor is a safety device designed to communicate with the system to shut down the heater if the water temperature exiting your heater exceeds 118 degrees F It simply screws ...read more
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This newly designed high limit thermistor replaces the original black plastic-tipped version It is a safety device that will shut down power to the spa if the water temperature exiting the heater is too hot This would indicate a "low water flow" condition ...read more
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This Control Thermostat Thermistor communicates the actual water temperature to the controller (control box motherboard) to shut off the heater when the spa reaches the target temperature It is used on all 73859, 72469, 76840 and 76091 control boxes
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Sku: 34-01395-K
Thermistor, Control & Hi-Limit Sensor Kit, After Market
The after-market thermistor kit (1 control and 1 hi-limit sensor included with o-rings as well as adapters) that fit with either the 4kW or 6kW after-market PDR Titanium double-barrel heater These sensors can plug in directly to the motherboard located ...read more -
Sku: 30-01395-K
Thermistor Adapters, After-Market
The after-market thermistor adapters work to allow the after-market thermistors to connect to the outside of the control box instead of connecting directly to the motherboard of the control box -
Sku: 34878
O-Ring, Control Thermistor
Control Thermostat Thermistor o-ring for the 79006 and 78970 thermistors This o-ring is located on the "inlet" side of the heater and is the larger of the two thermistor o-rings For the outlet side of the heater see the part# 34879 o-ring -
Sku: 34879
O-Ring, Hi-Limit Thermistor
High-Limit Thermistor o-ring for the 79005 and 78969 thermistors This o-ring is located on the "outlet" side of the heater and is the smaller of the two thermistor o-rings For the "inlet" side of the heater see part 34878 -
This is the replacement thermistor for the 1999-2002 Hot Spot RE, RLX, SE, SLX, and the 2001-2002 SLXtra (wood-sided) spa models Also the Solana 2000-2002 X, 2003-2005 RX, SX, and TX models This thermistor communicates the actual water temperature to the ...read more
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This is the after-market replacement thermistor for the 1999-2002 Hot Spot RE, RLX, SE, SLX, and the 2001-2002 SLXtra (wood-sided) spa models Also the Solana 2000-2002 X, 2003-2005 RX, SX, and TX models This thermistor communicates the actual water ...read more
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This is the replacement flow switch for the 1995-1996 Hot Spring Classic, Sovereign, Prodigy and Jetsetter spa models It is also the replacement for the 1995-1996 Tiger River Manora and Tondi spa models This low voltage flow switch monitors the flow of ...read more
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This sensor fitting is installed through the side spa shell at the base of the hot tub near the suction and drain fittings on Hot Spot models beginning in 2020 Its purpose is to provide a watertight seal around the 72493 temperature control thermistor bulb
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Sku: 76112
Thermistor Sensor Fitting, Hot Spot
This sensor fitting is installed through the side of the filter housing in all 1998-2005 Hot Spot brand spas Its purpose is to provide a watertight seal around the 71578 thermistor bulb -
Sku: 37727
Thermosensor Fitting, Solana
This thermo-sensor fitting is used to waterproof the temperature sensor (thermistor) that is located in the filter compartment of all Solana TX, RX and SX models -
This is the replacement flow switch for the 1995-1996 Hot Spring 220 only Classic, Sovereign, Grandee, Highlife, Landmark and Summit spa models It is also the replacement for the 1995-1995 Tiger River Khyber spa model This low voltage switch is located in ...read more
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Sku: 33263
Flow Switch, Tiger River
This is the replacement flow switch for the 1992-1994 Tiger River Khyber, Manora and Tondi spa models -
Sku: 34831
Flow Switch, Hot Spot
This is the replacement for the 1995-1997 Hot Spot Z model (round spa) and the Y model (rectangle spa) -
Used on the 1995-1997 Hot Spot spas this fitting provided a flange for the cartridge-style heater element to seal against and a "dry-well" for the thermistor probe to slide into
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Sku: 75076
15 amp Mini Breaker, Hot Spot
This 15amp Mini Breaker is located on the control box on all 1993-1998 Hot Spot spa models This reset button is identified by the number 15 located on the round portion of the reset button -
Sku: 75076-Generic
16 amp Mini Breaker, Hot Spot (After Market)
GENERIC (This does not come from Hot Spring factory and does not have a one year warranty) This generic replacement 15amp Mini Breaker is used to replace the original mini breaker located on the control box on all 1993-1998 Hot Spot spa models The reset ...read more -
Sku: 32452
Harness, Pcb 4T 115V 5Kw
Wiring harness for a 10-minute timer circuit board used on all models 1991 to 1993 Hot Springs spas The timer board is part number 71346 and is currently unavailable -
Sku: 71280
Thermowell, Hot Spot Square
Thermowell houses the temperature sensor for Hot Spot Square -
Sku: 70899
Thermowell Assembly
Thermowell houses the thermistor probe on a 1995-1997 Hot Spot spa models -
Sku: 34007
O-Ring, T-Stat Adapter, Tiger River
This o-ring is used on the t-stat adapter where the knob for adjusting the thermostat attaches to Tiger River control panels from 1992 to 1997 The stem from the thermostat sticks into this adapter and the knob on the control panel sits on the adapter -
Thermowell housing for the t-stat temperature probe to insert into This thermowell aka "drywell" keeps the copper t-stat probe away from the chlorinated water so it doesn't dissolve
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Sku: 008019
Sensor Set, Oasis
High-limit and control thermostat sensor set for the Oasis spa models -
Sku: 39204
Thermistor, High-Limit, Hot Spring, Tiger River, Limelight
This item is obsolete and replaced by:
79005This high-limit thermistor sensor is a safety device designed to communicate with the system to shut down the heater if the water temperature exiting your heater exceeds 118 degrees F It simply screws into the No-Fault Heater Housing (hand tight only) and ...read more -
Sku: 39205
Thermistor, Control Thermostat, Hot Spring, Tiger River and Limelight
This item is obsolete and replaced by:
79006This control thermostat thermistor is a safety device designed to communicate with the system to shut down the heater if the water temperature exiting your heater exceeds 118 degrees F It simply screws into the No-Fault Heater Housing (hand tight only) and ...read more
Showing 1–30 of 37 results