Residential Water Heater Market Size By Product (Instant [Electric, Gas], Storage [Electric {< 30 Liters, 30-100 Liters, 100-250 Liters, 250-400 Liters, > 400 Liters}, Gas {< 30 Liters, 30-100 Liters, 100-250 Liters, 250-400 Liters, > 400 Liters}]), By Capacity (< 30 Liters, 30-100 Liters, 100-250 Liters, 250-400 Liters, > 400 Liters), By Fuel (Natural gas, LPG), Industry Analysis Report, Regional Outlook, Application Potential, Price Trend, Competitive Market Share & Forecast, 2020 – 2026