Since it's a custom WC loop so their is no part list. It totally depend on ur planning.
Your best friend will be hardware shops and metal fabrication shop.
Your best friend will be hardware shops and metal fabrication shop.
Reservoir can be made easily from acrylic sheet. For starters any good carpenter can help in cutting acrylic according to ur plan for reservoir.
For DC pump , you can source one from aquarium shop or RO purification share shop or electronic shop which deals in solar product.
For pump this can work. http://www.ebay.in/itm/12V-DC-CPU-C...omputer_Components&hash=item20e880abd9&_uhb=1