Water Flow Rate is Slow Last updated Save as PDF Possible Cause What to Do Water Supply – household Check the flow rate of water elsewhere in your household. If it is slow or there is no water, you may need to contact your water supplier. Filter is restricted We recommend you change your filter at least once every six months. Please refer to your User Guide for further information. Replacement filter cartridges can be purchased online from fisherpaykel.com or by Contacting us. Kinked Water supply Still Need Help? You may need assistance from one of our qualified service technicians. Click on the button below to schedule a visit. BOOK A SERVICE or Contact Us