Typical costs: Costs for complete installation of an encapsulation system start around $2,000-$4,000, average $5,000-$7,000 and can go as high as $8,000-$14,000 or more, depending on the size and condition of the crawlspace, local rates, and the materials used.
The Rc thread is a designation for BSPT (British Standard Pipe Taper). refers to the threaded end of a fitting or pipe which is 1/4 inch trade size (not actually 0.25 inches), and having British Standard Tapered Pipe threads.
BS parallel threads are also referred to as British Gas, British Pipe Parallel or Parallel Fastening Thread. Common symbols used for the thread: BSP, BSPP, BSSPI, BSPF, BSPG, PS, Rp, G. The BSPP (parallel) male will mate with a BSPP (parallel) female or a female port.