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Spa and hot tub spare parts

Spa and hot tub spare parts

A spa or hot tub also requires regular maintenance to keep it working at its best. Due to heavy use or minor damage, parts can wear out or stop working properly over time. Fortunately, this doesn’t mean you have to replace your entire spa straight away. With the right spare parts, you can easily fix minor issues yourself and get your spa back into top condition. This way, you extend the lifespan of your spa and can continue to enjoy relaxing moments in warm, clear water without any hassle. 🫧

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Having your own spa or hot tub in the garden is the ultimate in relaxation – until something unexpectedly breaks down or needs replacing. Whether it’s a faulty pump, a leaky seal or a defective heating element, with the right spare parts you can quickly breathe new life into your spa.

At Hermie, you’ll find a wide range of high-quality spare parts that allow you to carry out both minor and major repairs yourself. Are you looking for specific connectors, jets or pipework? We’ll be happy to help you find the right parts. This way, you’ll save on expensive repair costs, the water will flow freely again, and your hot tub or spa will be ready for use in no time.

How do you choose the right spare parts for your spa or hot tub?

Finding the right spare part can sometimes be a challenge because there are so many different models. When making your choice, always bear the following points in mind:

  • Identify the faulty part: Always check the old part first. It will often have a serial number or model number on it. This is your best guarantee of a like-for-like replacement.
  • Check the dimensions: With O-rings, couplings, pipework and filters in particular, every millimetre counts. Measure both the internal and external diameters of the old part.
  • Voltage and power (for electronic components): Are you replacing a circulation pump, blower or heating element? If so, ensure that the voltage (usually 230V) and wattage are compatible with your current control system to prevent a short circuit.
  • Thread type: Check whether you need a fine or coarse thread when replacing jets or specific filter connections.

Types of spare parts and their functions

  • Pumps and motors
    The pump is the heart of your spa. Is the massage function no longer working properly, or is the pump making a loud, humming noise? If so, the bearings are often worn out or the capacitor is faulty. Sometimes it’s enough to replace a small part, but in cases of severe wear and tear, a completely new spa pump is the safest and most durable choice.
  • Heating elements and sensors
    If the water remains cold or the temperature fluctuates significantly, the problem usually lies with the heating element or the temperature sensor. Always check for limescale build-up on the element before replacing it; a thorough clean can sometimes work wonders. Has the element burnt out? If so, replacement is the only option.
  • Plumbing: O-rings, couplings and pipes
    Leaks often occur at the connections. Over time, rubber seals or O-rings can dry out due to heat and water treatment products (such as chlorine). Replacing these small parts preventatively and in good time prevents more serious water damage to the wooden or plastic casing of your hot tub.

FAQ

  1. How do I know which spare part fits my spa or hot tub?
    Always check the label or casing of the old part for a serial number or model number. If you’re still unsure, measure the exact dimensions (length, diameter, connection) or contact our customer service team with a photo of the faulty part.
  2. Can I replace the pump in my spa myself?
    Yes, in most cases you can easily do this yourself. Always ensure that the power is completely switched off and turn off the water supply using the stop valves before you start. Unscrew the connections, disconnect the power cable from the old pump and connect it to the new pump in the same way.
  3. Why has my spa stopped heating up?
    There may be several reasons for this. Usually, the heating element is faulty, the temperature sensor is broken, or there is insufficient water flow due to a heavily soiled filter, causing the heating system to switch off for safety reasons. So always check and clean the filter first!
  4. Are spa parts universal?
    No, most parts are not universal. Although some pipes and standard PVC fittings come in standardised sizes (often expressed in inches), pumps, heating elements and control systems are specific to a particular make and model.
  5. What is the difference between a circulation pump and a massage pump?
    A circulation pump runs continuously (or in long cycles) at low power to pump water through the filter and the heater. A massage pump (or jet pump) is much more powerful and is only switched on to create the massage jets in the spa.