The VIAIR RV Winterization Kit connects a compatible VIAIR compressor to an RV water system for compressed-air winterization. The kit includes a regulator, pressure gauge, blow-out plug and quick-connect fittings. Compatibility is limited to the specific compressor models listed below.
VIAIR part number: 90145
Use only with VIAIR 400P-RV, 400P-RVS, 450P-RV, 450P-RVS, 400P-RV EF and 450P-RV EF compressors. VIAIR does not list the 300P-RVS, 89P-RVS or the newer digital EF models as compatible on this product page. The 220-PSI figure describes the gauge, not an operating pressure for your RV water system. Follow the kit instructions and your RV manufacturer’s pressure limits.
California Proposition 65 warning: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.