ProLine Master 50-Gallon Electric Water Heater

The ProLine® Standard Electric water heater is the reliable choice when you are looking to maximize your hot water output and is designed with environmentally-friendly insulation to reduce standby heat loss.

With a 50-gallon (nominal) tank delivering 4,500 watts, the HNS-50 delivers a first hour rating of 57 gallons at an Uniform Energy Factor of 0.92. The Coregard™ sacrificial anode helps protect the tank from the corrosive effects of water, and is accompanied by a 8-year limited tank warranty.


  • Dual Enhanced Heating Elements
  • Dual 4500 watt elements for the fastest recovery and reliable operation.
  • Dual Stainless steel elements for longer life
  • DynaClean™ Diffuser Dip Tube
  • Helps reduce lime and sediment buildup, maximizes hot water output. Made from long lasting PEX cross-linked polymer.
  • High Uniform Energy Factors
  • Eco-friendly non-CFC foam insulation, heat traps and other features combine to yield a higher Uniform Energy Factor that maximizes savings on operating costs.
  • CoreGard™ Anode Rod
  • Our anode rods have a stainless steel core that extends the life of the anode rod allowing superior tank protection far longer than standard anode rods.
  • ProLine® Master products have increased anode protection with either longer, or multiple anodes depending on model.
  • Tech Specs
  • Nominal Capacity: 50
  • Rated Storage Volume 46
  • UEF 0.92
  • First Hour Rating: 57
  • Upper Element Wattage: 4500
  • Lower Element Wattage: 4500
  • Max Wattage: 6000
  • Voltage: 240
  • Minimum Voltage Required: 240
  • Limited Tank Warranty: 8 Years
  • Limited Parts Warranty: 8 Years
  • Anode: Coregard™ Sacrificial Anode
  • Self Cleaning: Yes
  • T&P Relief Valve: Yes
  • Water Connection Location: Top
  • Water Connection Size: 3/4"
  • Dimensions & Venting
  • Type: Short
  • Height: 49 1/4"
  • Diameter: 23"
  • Width: 23"
  • Depth: 23"