Booster Pump Small Automatic Household Shower Water Heater Supply Pump Kit 100W WG‑100EU Plug 220V Item Type: Booster Pump Model: WG-100 Rated Power: 100W Rated Current: 0.4A Maximum Lift: Approx. 10m / 32.8ft Maximum Flow: 12 L/min Water Inlet and Outlet Thread Specifications Without Water Flow Switch (manual): NPT 3/4 male thread Water Inlet and Outlet Thread Specification with Water Flow Switch (automatic) : NPT 1/2 male thread Body Material: Stainless steel Caliber: Approx. 15mm / 0.6in Insulation Class: E Capacitance: 3.5uf Speed: 2860/min Power Cord Length: Approx. 1m / 3.3ft Size After Installation(L x W x H): Approx. 17 x 17 x 10cm / 6.7 x 6.7 x 3.9in Application Scenarios: 1. Insufficient water pressure causes the water heater to not work 2. The water flow is too small, and domestic water becomes a problem 3. The water pressure is unstable and the floor is too high 4. The bath water is cold and hot, and the water is weak and intermittent. How e: 1. First of all, you can directly connect the pipeline with the booster pump. At this time, the thread specification is NPT3/4, and the pipeline corresponding to the female thread can be connected. 2. Install the water flow switch and the pure copper joint kit, the thread specification after installation is NPT1/2, and connect the corresponding female threaded pipe