Qty: 3) Cleaver Brooks ClearFire-CE 1000 MBTU Boilers or “approved equal” and shall include ASME IV, CSA, AHRI, Commercial Energy Star, SCAQMD Certifications with the following salient features: 1. 10:1 Turndown (Submittal Required) 2. Direct spark ignition (Submittal Required) 3. ASME Certified Stainless Steel Firetube Heat Exchanger and Shell (Submittal Required) 4. Stainless Steel Burners (Submittal Required) 5. Redundant single stage gas valves (Submittal Required) 6. Power vented (Submittal Required) 7. 160 psi working pressure (Submittal Required) 8. 30 psi Relief Valve (Submittal Required) 9. Low Gas Pressure Operation (Submittal Required) 10. Variable Speed Blower Assemblies (Submittal Required) 11. Air-Fuel Venturi Mixing System (Submittal Required) 12. Negative Pressure Regulated Gas Valves (Submittal Required)