RW Sanitair BVBA is a Belgian supplier of plumbing, heating, ventilation, and related equipment, serving both trade professionals and do-it-yourself customers. Based in Tienen, the company operates a retail and online shop and lists regular deliveries across Belgium, as well as destinations in the Netherlands, France, and Luxembourg. Its broad catalogue covers sanitary ware and bathroom products, including baths, showers, taps, sinks, toilets, cabinets, and accessories.

Customers can also find pumps, boilers and water heaters, water-treatment products, heating appliances, radiators, underfloor-heating equipment, and heat pumps. The range extends to ventilation, solar-energy technology, swimming-pool and garden supplies, agricultural products, tools, tanks, insulation, and safety equipment. Alongside complete appliances and systems, RW Sanitair offers accessories and replacement parts across many product categories.

The website features products from numerous established brands and provides customer-service information, including video troubleshooting, sales terms, payment, delivery, and returns. RW Sanitair lists weekday and Saturday opening hours at its Tienen location, with Sunday closed