Rheem MR40245 Marathon 40 Gal. Tall 4500-Watt Double Element Electric Water Heater

Product Description

The Rheem MR40245 Marathon electric water heater is designed for households needing a reliable and efficient water heating solution. Its plastic tank resists rust, making it suitable for hard water conditions. Features include a lightweight, durable design and a high-efficiency build. It comes equipped with a fused upper heating element and a titanium-plated lower element for enhanced protection against sediment buildup.

• Plastic tank will not rust
• Ideal in hard water applications
• Seamless, blow-molded, polybutene tank impervious to rust and corrosion

Product Highlights

Offers a non-metallic tank and outer shell, eliminating the need for an anode rod and reducing odors. Well-insulated to reduce energy costs.

Product Information

Standard Information

• Brand: RHEEM
• Manufacturer Part Number: MR40245
• Country of Origin: USA

Technical Specifications

• Nominal Tank Capacity (gallons): 40 gal
• Capacity: 40 gal
• Connection Size: 3/4 in
• Connection Type: NPT
• Element Wattage: 4500 W
• Energy Factor: 0.92
• First Hour Delivery: 52 gph
• Lead-Free/Contains Lead: Lead-Free
• Phase: 1 ph
• Pressure Rating: 150 psi
• Recovery Rate: 20 gph
• Voltage Rating: 240 V
• Wattage Rating: 4500W
• Water Connection: 3/4 inch NPT
• Water Connection Location: Top
• Material: Plastic
• Commercial/Residential: Residential
• Style: Tall
• Water Connection Size: 3/4 inch NPT
• First Hour Delivery (GPH): 52 gph FHR
• Standards/Approvals: UL Listed, NAECA, AHRI Certified, Energy Miser, U.S Green Building Council LEED Point = 1
• Amperage: 18.75 amp
• Maximum Pressure: 150 PSI
• Maximum Working Temperature: 150 °F
• Package Quantity: 1
• Tank Capacity: 40 gal.
• Temperature Pressure Relief Valve: Yes
• Voltage: 240 V
• Water Heater Profile: Tall
• Water Heater Type: Electric Tank
• Wattage: 4500 W
• Product Depth: 21 3/4 in.
• Product Diameter: 21 3/4 in.
• Product Height: 61 1/2 in.
• Product Weight: 91 lb.
• Product Width: 21 3/4 in.
• Operating Voltage: 240V
• Maximum Delivered Temperature: 160 °F
• Maximum Recovery Flow Rate: 21 gph @ 90°F
• Number of Elements: 2
• Maximum Water Pressure: 150 psi
• Overall Height: 61.5 in
• Included Valves: Temperature and Pressure Relief
• Power Consumption: 4,500 W
• Current: 18.8 A
• Thermal Efficiency: 92 %
• Tank Diameter: 22.13 in
• Tank Lining Material: Polybutene
• Equivalent BtuH: 15,360 BtuH
• Tank Outer Shell Material: Polyethylene
• Cold Inlet Size: 3/4 in
• Minimum Delivered Temperature: 120 °F
• Height to Hot Outlet: 65.5 in
• Height to Cold Inlet: 65.5 in
• Cold Inlet Type: NPT