Johnstone Supply Store in SEATTLE webmaster1 May 15, 2021 Categories: HVAC WholesalersAddress 2505 AIRPORT WAY SOUTHSEATTLE, WA 98134USAContact Phone: (206) 816-3040Contact Store Review Store Your Name * Your Email * ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ Your Review *