The following changes UL 2167 are being proposed: 1. Revisions to Residential Area Fire Test 2. Additional Design and Installation Instructions 3. Antifreeze Exposure Testing for Polymeric Seals 4. Protection of Glass Bulb Tips 5. Exposure Period for Stainless Steel Stress Corrosion Test 6. Use of Water Supply Connection Filters or Strainers during Clogging Test