Instruction: Rank the products A, B, C, ... based on their relevance to the provided query, and produce a ranked list with the most relevant product positioned at the top of the list.

Input:
Query: pool heater hl150
Product list:
A: ANDRIMAX Immersion Heater for Boiling Bath Water, Heavy Duty Submersible Water Heater with Metal Guard Cover to Heat 5 Gallons of Water in Minutes - U.S. Version(FULLY IMMERSED WHILE USING)
B: Amazon Basics 8 Pack 9 Volt Performance All-Purpose Alkaline Batteries, 5-Year Shelf Life, Easy to Open Value Pack
C: Gesail 1500W Electric Immersion Heater, UL-Listed Bucket Water Heater with 304 Stainless-Steel Guard, Submersible Bucket Heater with Thermostat and Auto Shutoff, Heats 5 Gallons Water in Minutes
D: SunHeater Shield, 32 oz. Bottle  Liquid Solar Blanket, Non-Toxic and Safe for Swimmers, Reduces Water Evaporation Chemical and Heat Loss, SHS32, Pack of 1, Clear
Answer: A,C,D,B