Pressure Pump Parts
Shop Pressure Pump Parts at West Marine
Diaphragm freshwater pumps are commonly used in boats to provide a pressurized water system for various onboard applications, such as faucets, showers, and toilets. These pumps are designed to deliver a consistent flow of freshwater by using a flexible diaphragm that moves back and forth, creating pressure and drawing water into the pump.
While diaphragm freshwater pumps are generally reliable, there are a few parts that may require replacement due to wear and tear or malfunctioning. Following are some components that sometimes require replacement.
Diaphragms
Pump diaphragms can wear out over time. They may develop cracks, tears, or lose their flexibility, leading to reduced performance or leaks. Replacing a worn-out diaphragm can restore a pump's functionality.
Valves
Most diaphragm pumps have check valves on the inlet and outlet sides to prevent backflow and maintain pressure. These valves, particularly the rubber or plastic flaps, can deteriorate or become damaged. Replacing worn or faulty valves can help ensure proper pumping action.
Pressure Switch
The pressure switch is responsible for activating the pump when the water pressure drops below a certain threshold and shutting it off when the desired pressure is reached. Over time, the switch may fail, causing issues with the pump's operation. Replacing a faulty pressure switch can resolve problems like constant running or failure to activate.
Pump Motors
Diaphragm freshwater pumps are typically powered by an electric motor. Although motor failures are less common, they can occur due to excessive load, overheating, or electrical issues. If the motor fails to operate or runs intermittently, it may need replacement.
Pump Strainers
Many freshwater pump assemblies include a strainer that prevents debris from entering and clogging the pump. Pump strainers require regular cleaning and occasional replacement to maintain optimal water flow and prevent damage to the pump.
It's worth noting that the lifespan of pump components can vary depending on factors such as pump quality, usage frequency, maintenance practices, and water conditions. Regular inspection, cleaning, and timely replacement of worn or damaged components are essential for ensuring the longevity and reliable performance of diaphragm freshwater pumps on boats.