Best Seller | A.O. SMITH 9004541215 Pilot Assembly for AO Smith 1/4 1 Product Description Specifications length: 45 cable pilot inlet: 1/4 od tubing inlet weight: 185 lb. gas type: natural gas fmp info fmp replacement for: 507-1018 part reference info a.O. Smith: 9004541215 Ferguson enterprises: 9004541215 market forge:... more | | $83.29 FREE shipping go to store |