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VIAIR RV Winterization Kit
VIAIR RV Winterization Kit
$58.75

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

Features

  • 1/4” Quick Connect Coupler (M, NPT)
  • 1/4” Quick Connect Stud (M, NPT)
  • Blow Out Plug
  • Regulator
  • 220 PSI gauge

Specifications

  • Manufacturer part number: 90145
  • Quick-connect coupler: 1/4-inch male NPT
  • Quick-connect stud: 1/4-inch male NPT
  • Pressure gauge: 220 PSI
  • Includes regulator and blow-out plug
  • Compatible compressors: 400P-RV, 400P-RVS, 450P-RV, 450P-RVS, 400P-RV EF and 450P-RV EF

Compatibility and use

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.

Product resources

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.

Launch DateOctober 21, 2026
Days In Market6
VendorVIAIR
Variants1
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