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PKW30
Spa Filter Cartridge 6CH-940
Our Price: $19.25

38415 Thermistor
Hot Springs Temperature Thermistor 38415
Our Price: $22.95

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38416 high limit
Hot Springs High Limit Thermistor 38416
Our Price: $22.95

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PKW30
PKW30 Filter Cartridge C-6430
Our Price: $24.50

72597 pillow
Hot Spring Spa Cool Grey Pillow 72597
Our Price: $28.50

73339 pillow
Hot Spring Spa Pillow Warm Grey 73339
Our Price: $33.99

Teal pillow 72596
Hot Spring Spa Teal Pillow 72596
Our Price: $38.17

Watkins Pressure Switch 73995 No Wire Harness
Watkins Pressure Switch 73995 No Wire Harness
Our Price: $45.95

  • Part Number: 73995
  • Pressure switch compatible with various Caldera & HotSpring/HotSpots spas.
  • The pressure switch is a safety device designed to prevent overheating of the spa heater should a low or no-flow condition exist in the spa.
  • The pressure switch is located in the heater circuit. When the switch is closed (proper flow), voltage is transferred to the heater circuit when the control thermostat calls for heat.
  • Hot Spring Spa Supplies carries spa fragrances, air & water valves, control systems, filter accessories, lights, cleaners, pumps, thermostats, and more for virtually every hot spring model.


    Electronic pressure switch used on select Caldera, Hot Spot, Solana model spas.
Watkins Pressure Switch 73995 w/Wire Harness
Watkins Pressure Switch 73995 w/Wire Harness
Our Price: $60.50

  • Part Number: 73995
  • Pressure switch compatible with various Caldera & HotSpring/HotSpots spas.
  • The pressure switch is a safety device designed to prevent overheating of the spa heater should a low or no-flow condition exist in the spa.
  • The pressure switch is located in the heater circuit. When the switch is closed (proper flow), voltage is transferred to the heater circuit when the control thermostat calls for heat.
  • Hot Spring Spa Supplies carries spa fragrances, air & water valves, control systems, filter accessories, lights, cleaners, pumps, thermostats, and more for virtually every hot spring model.


    Electronic pressure switch used on select Caldera, Hot Spot, Solana model spas. Includes pressure switch wire with 2 wire 3 pin connector.
70319 moto massage
Hot Spring Spa Moto-Massage 70337
Our Price: $120.00