Where to buy

Marathon water heaters are a smart environmentally conscious investment. Their efficiency and reliability can not be beat and they are backed by the best warranty in the industry.

Residential Customers:
GP Conservation carries a full line of Marathon water heaters and related parts. Free shipping is offered on all Marathon Water heaters to customers in the continental United States. Purchase your new water heater online today at GP Conservation or contact them by phone at 503-907-2899.

Utilities and Contractors:

Ecotone Products, LLC is the premier wholesale distributor for Rheem Marathon water heaters to contractors, builders, and utilities. Ecotone Products ships Rheem Marathon water heaters to just about any location in the United States of America. Ecotone Products carries between 250-350 Marathon water heaters in stock ready to ship same day. Their friendly and knowledgeable staff are products with expert know-how advising customers on Rheem Marathon water heaters since 2001. Ecotone Products staff can be reach via email or via phone at 1-800-547-9744, 7AM-5PM PST. 


Factory Trained Installers And Contractors


Stan The Hot-Water Man, Wood Village, OR 97060, Phone: 503-760-2992, Email: Stan@StantheHotWaterMan.com

Energy Unlimited, LLC; Sandy, OR 97055, Phone: 503-668-6864, Email: loren@energyunlimitedllc.com

Home Energy Life Performance Group, Inc., Portland, OR 97225, Phone: 503-244-8232, Email: info@helppdx.com

Good Energy Retrofit, Portland, OR 97221, Phone: 503-318-1323, Email: goodenergyretrofit@gmail.com

Heat Relief Heating & Cooling, Portland, OR 97230, Phone: 503-261-9915, Email: markd@heatrelieftoday.com

Home Visions West, Hillsboro, OR 97123, Phone: 503-640-1700, Email: paul@homevisionswest.com

Northwest Infrared, LLC, Newberg, OR 97132, Phone: 503-487-6810, Email: teresa@northwestinfraredllc.com

Central Air, Clackamas, OR 97015, Phone: 503-803-3829, Email: andrew@centralairpdx.com

Beaverton Plumbing, Inc., Beaverton, OR 97005, Phone: 503-643-7619, Email: info@BeavertonPlumbing.com

Advanced Energy Systems, Eugene, OR 97401, Phone: 541-683-2345, Email: hpwh@aesrenew.com




Columbia River PUD, 64001 Columbia River Hwy, Deer Island, OR 97054; Phone: 503-366-5470

Eugene Water and Electric Board, 500 East Fourth Avenue, Eugene, OR 97401; Phone: 541-658-7000, 1-800-841-5871

Hood River Electric Cooperative, 3521 Davis Drive, Hood River, OR 97031; Phone: 541-354-1233

McMinnville Water & Light, 855 NE Marsh Lane, McMinnville, OR 97128; Phone: 503-472-6158

Midstate Electric Cooperative, 16755 Finley Butte Road, La Pine, OR 97739; Phone: 541-536-2126, 1-800-722-7219

Tillamook PUD, 1115 Pacific Avenue, Tillamook, OR 97141; Phone: 503-842-2535, 1-800-422-2535



Benton Rural Electric Association, 402 7th Street, Prosser, WA 99350; Phone: 509-786-2913, 1-800-221-6987

Columbia Rural Electric Association, 115 E. Main Stree,t Dayton, WA 99328; Phone: 509-382-2578, 1-800-642-1231

Cowlitz County PUD, 961 12th Avenue, Longview, WA 98632; Phone: 360-577-7541, 1-800-631-1131

Nespelem Valley, 1009 F Street, Nespelem, WA 99155, Phone: 509-634-4571

Peninsula Light Company, 13315 Goodnough Drive NW, Gig Harbor, WA 98332; Phone: 253-857-5950, 1-888-809-8021



Clearwater Power Company, 4230 Hatwai Road, Lewiston, ID 83501; Phone: 208-743-1501, 1-888-743-1501

Fall River Rural Electric, 1150 N 3400 E, Ashton, ID 83420; Phone:  208-652-7431, 1-800-632-5726

Kootenai Electric Cooperative, 2451 West Dakota Avenue, Hayden, ID 83835; Phone: 208-765-1200, 1-800-240-0459

Northern Lights, INC., 421 Chevy Street,  Sagle, ID 83860; Phone: 208-263-5141, 1-800-326-9594

Raft River Electric, 155 N Main Street, Malta, ID 83342; Phone: 208-645-2211, 1-800-342-7732

United Electric Cooperative, 1330 21st Street, Heyburn, ID 83336; Phone: 208-679-2222



Plumas-Sierra Rural Electric Cooperative , 73233 State Route 70, Portola, CA 96122; Phone: 530-832-4261, 1-800-555-2207



Sheridan Electric Cooperative, PO Box 227, Medicine Lake, MT 59247; Phone:  406-789-2231

Southeast Electric Cooperative, 110 S Main, Ekalaka, MT 59324; Phone: 406-775-8762, 1-888-485-8762



Valley Electric Association, Inc., 800 E. Hwy 372, Pahrump, NV 89048; Phone: 777-727-5312, 1-800-742-3330

Wells Rural Electric Association, 1451 Humboldt Avenue,  Wells, NV 89835; Phone: 775-752-3328



Sierra Electric Cooperative, 610 HWY 195, Elephant Butte, NM 87935; Phone: 575-744-5231