【PREMIUM QUALITY】: This RV water pump is made of high quality material. Sturdy materials and precision machining make the structure more robust and can withstand harsh workloads and harsh environments. With good durability and reliability, long service life. 【RELIABLE WATER DELIVERY SOLUTION】: 4008-171-A65/4008-171-E65 Instantly delivers up to 3.0 gallons per minute (GPM) of water while maintaining a steady 55 psi (per square inch) pressure. This water pump equipped 55 PSI built-in pressure switch, viton valves, self-priming & 1/2" NPTF port and has super self-priming ability and can easily cope with various water needs. Allows you to quickly enjoy cool water and feel comfortable. 【HIGHER PERFORMANCE】: This high performance water pump for RV features a positive displacement 4-chamber diaphragm and built-in check valve, as well as thermal protection to ensure a smooth, uninterrupted flow of water. Meet your boat or RV's fresh water needs. 【EASY INSTALLATION】: This 115 V water pump is equipped with connectors, filters and is portable and easy to use, easy to install. Quiet and noiseless. It allows you to use it easily outdoors or at home. 【WORRY-FREE RETURN AND REFUND POLICY】: We stand behind the quality of our product with a worry-free return and refund policy. If you have any questions, please contact us with the frame number, and we will provide you with the most correct advice. Buy with confidence! 4008-171-A65 Water Pump 115V 3.0GPM Revolution Pump with Strainer 11.3LPM/55PSI/3.7Bar Water Pump for RV Marine Boat 4008-171-E65 Built-In Pressure Switch Viton Valves Self-Priming & 1/2" NPTF Port