VEVOR RS15-6 Hot Water Recirculating Pump 110V Circulation Pump 3 4-Inch NPT 3-Speed Recirculation Pump 9.5 Gpm for Water Heater System Water Pressure Booster Pump The listing is about Water Circulation Pump RS15-6, solar pump, 3-speed circulating pump. The water booster pump is built-in high sensitive electronic sensors with three-speed control. It is suitable for a wide range of applications, for city buildings, suburban villas, houses, water and pressurized with industrial equipment, air conditioning, boilers, solar circulating water, hot water circulating warm, and so on. key Features High-Quality Material The booster pump is constructed of durable with aluminum pump housing and iron pump head. Boost Water Flow Powerful flow with 5.28 7.66 9.5 GPM and the highest head can reach 13 16 20 ft. More convenient and efficient to use water. 3-Speed Circulating The water circulation pump is a solar pump with a 3-speed circulating switch. Keep Quiet To Work This pressure booster pump boasts a powerful motor for stable performance and low noise. Easy To Installation The booster pump is easy to install for appliances and industrial equipment such as air conditioning and water heater for powerful flow. Wide Application The water pressure pump city buildings, suburban villas, houses, water and pressurized with industrial equipment, air conditioning, boilers, solar circulating water, hot water circulating warm, and so on. Specification Pump Housing: Aluminum Pump Head: Cast iron Impeller: Corrosion-resistant, composite, PES Shaft: High Strength Ceramics Bearing: High Strength Ceramics Voltage Frequency: 110-120V, 60Hz Rated Power: 93 67 46 W Max Pressure: 145 psi (10 bar) Flow: 36 29 20 LPM (9.5 7.66 5.28 GPM) Max Head: 6 4.9 4 m (20 16 13 ft) Inlet Outlet: NPT 3 4 inch (19.05 mm) Insulation Class: H Protection Class: IP42 Valterra P23415LF Brass 1 2" Check Valve - MPT x MPT Valterra P23415LF Brass 1 2" Check Valve - MPT x MPT. Since 1981, Valterra Products, LLC, has been a leading supplier of brand name product lines to the RV, Pool Spa, and Plumbing industries. Valterra's Contract Manufacturing Division offers low-cost custom manufacturing and assembly services to client companies seeking to reduce costs and improve the bottom line.The bundle is suitable for a wide range of applications, including city buildings, suburban villas, houses, air conditioning systems, boilers, solar water circulation, and industrial equipment. The hot water recirculating pump provides instant hot water in 15 seconds (1 minute for kitchen due to low flow restriction), saving water and energy, and preventing pipes from freezing in winter. The Valterra P23415LF is a freshwater backflow preventer check valve made of durable, lead-free brass construction, with a 1 2" MPT x MPT connection size. The pump housing is made of aluminum, with a corrosion-resistant composite (PES) impeller, and high-strength ceramic shaft and bearings, ensuring durability and reliability. The VEVOR RS15-6 hot water circulation pump features NPT 3 4 inch inlet outlet, 110-120V voltage, 3-speed control with flow rates of 20 29 36 LPM (5.28 7.66 9.5 GPM), and maximum head of 4 4.9 6 m (13 16 20 ft).