Pedrollo PKS Self Priming Pumps with Peripheral Impeller - Side Suction INSTALLATION & USE Designed to transfer clean water free from abrasive particles and liquids that will not damage the pumps components. Compact, reliable, and cost-effective, they are ideal for domestic applications when paired with small autoclave tanks, and for irrigating gardens and orchards. They are also effective in drawing water from tanks and pumping liquids that contain air or gas. The pumps come equipped with a non-return check valve for suction.We always recommend getting pumps installed by a qualified plumber.The pump should be installed in an enclosed environment or sheltered from inclement weather. CONSTRUCTION Pump Body: Cast iron with ISO 228/1 threaded ports Check valve; Built-in check valve in the inlet port Motor Bracket: Aluminum with brass cover and front scraping anti-locking function Impeller: Brass, radial peripheral vane type Motor Shaft: Stainless steel AISI 431 (EN 10088-3 - 1.4104