Product Review

Paired with the VIAIR 400P-RVS or 450P-RVS Tire Inflators to protect your RV’s water system from freezing during the winter months. This easy, do-it-yourself kit regulates compressed air and removes any remaining water in your RV. Protect your investment from split pipes, ruptured tanks or failed pumps by draining your water system and you’ll be ready to hit the road or your favorite campsite without worry! 90145 / Winterization Kit.