![]() ![]() The membranes are made of silicone and over time will stretch and lose elasticity, which can impact suction power. The little white flaps on the valves need to be replaced regularly. Valve membranes need to be replaced every 2 weeks to 2 months Here’s a rundown of the pump parts you will need to replace on a regular basis, and how often to do so. If you notice that your pump seems to have lost suction, the first thing you should do is take a look at your parts, particularly the valves, and inspect for wear, fraying or stretching and replace if needed. Usually these problems can be easily resolved with a new part. ![]() Unfortunately, lots of mums will notice that the pump isn't working as well as it did, and think there's something wrong with their actual pump, or (even worse) that there's a problem with milk supply. After a while some parts wear down and can fray or become over stretched and this results in a loss of suction when you are using your pump. Check our complete guide for details on which parts need to be replaced, and how frequently.Lots of mums are not aware that some breast pump parts do need replacing regularly to maintain performance. If you pump less frequently than that, plan on replacing the diaphragms every 3-4 months. If you’re exclusively pumping or pumping 4 or more times per day, plan on replacing the diaphragms every month. Once milk or moisture get into your pump motor, you’re risking frying the motor and creating a nice moist and dark environment for bacteria and mold to fester. It’s impossible to safely clean and sterilise the tubing, so once it’s wet it will need to be replaced. If you don’t replace the backflow protectors, you’re risking moisture or milk entering the tubing and the pump motor. The worn out silicone diaphragm also loses its airtight and watertight seal. When the elasticity is worn down, the pump motor has to work harder than it normally does to maintain the same level of suction, which reduces the overall life of the motor. Over time, the elasticity of the silicone diaphragm wears down which impacts suction, and that can have a negative impact on your milk supply. ![]() You need to replace your backflow protectors regularly. How often do I need to replace the backflow protector? If you’re noticing milk on the top side of the diaphragm, it’s a good indication that you need to replace your backflow protector diaphragms. It’s important that if there is milk or moisture in your backflow protector, that it’s on the bottom side of the silicone d iaphragms. If you’re someone who frequently finds milk in the backflow protector, you may consider getting a second set so you will always have a clean, dry set to use while pumping. Make sure it’s had time to completely air dry prior to reassembling it. If there’s milk or condensation in your backflow protector, simply pop it apart and wash it as you normally do your other pumping parts (just don't forget you can't wash your Seal Caps if using the Liquid Shields). What do I do if there’s milk in my backflow protectors Some women find milk in their backflow protectors on a regular basis, and that’s a good thing – it means you have a powerful letdown and that’s fantastic. If milk is getting into your back flow protector, that’s completely normal! It’s the backflow protector’s job to keep milk from entering the tubing, protecting the pump motor from damage from moisture, mold and bacteria. Milk in the back flow protector is completely normal The backflow protectors or Seal Diaphragms (if you are using the Liquid Shields) are there to prevent milk from getting into the tubing and pump motor, but should you be worried when milk actually enters the backflow protector? ![]()
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