Collection: Water Heaters
We Stock Water Heaters Built for the Demands of the Job
If you're a plumber, contractor, or homeowner looking for water heaters & water heater parts you can count on, you're in the right place. We carry residential and commercial tank and tankless water heaters, available in gas and electric options, for all sizes. We’ve got the sizes and BTUs you need in stock. You'll find top brands like Bradford White, American Standard, Navien, and Noritz, all backed by competitive pricing and reliable warranties, plus 2% cashback with Apex Pro(Pros Only).
With 13 locations across Dallas–Fort Worth, North & Northeast Texas, and Waco, Apex Supply Company makes it easy to buy online for in-store pickup, local delivery, or Nationwide Shipping from our Distribution Center. Since 1933.
9 Subcategories
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Stiebel Eltron 202648 Model DHC 4-2 Classic Single Sink Point-of-Use Electric Tankless Water Heater, 240V, 1 Phase, 50/60 Hz, Hydraulically Controlled, Safety High Limit Switch
Starting at Best Price $228.44/each4 in stock
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Noritz 8.3 GPM Builder Pack – Natural Gas Tankless Water Heater
Starting at Best Price $1,301.43/each -
Stiebel Eltron 202653 Model DHC 8-2 Classic Single Sink Point-of-Use Electric Tankless Water Heaters; Up To 50% Less Power Consumption; 7.2kW/5.4kW, 240V/208V, 30A/26A
Starting at Best Price $228.44/each2 in stock
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Temperature Remote Controller (TM-RE30)
Starting at Best Price $127.50/each -
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Noritz Lp 7.1 Gpm 157K Btu Outdoor Tankless Water Heater
Starting at Best Price $1,331.99/each2 in stock
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Noritz 9.8 GPM Indoor Tankless Water Heater – Propane (LP Gas), 180,000 BTU, Convertible Vent
Starting at Best Price $1,609.49/each -
Noritz 9.2Gpm Condensing Recirculation Lp Tankless Water Heater
Starting at Best Price $1,907.01/each1 in stock
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Noritz Direct Vent (Standard Vent Convertible, EZ Convertible, OD Convertible) with Built-In Max 165,000 BTU 9.0 GPM Natural Gas
Starting at Best Price $1,907.01/each5 in stock
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Noritz 11.1 GPM Indoor Condensing Tankless Water Heater w/ Recirculation – Propane (LP Gas)
Starting at Best Price $2,024.53/each4 in stock
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Noritz Easy Series 180,000 Btu Natural Gas Unit Tankless Water Heater
Starting at Best Price $1,616.75/each2 in stock
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3/4" x 3/4" x 1/2" TER-1 Thermal Expansion Relief Valve (Lead Free)
Starting at Best Price $58.20/each2 in stock
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Noritz 180,000 BTU 9.8 GPM 120 Volts Liquid Propane Residential Tankless Water Heater
Starting at Best Price $1,616.75/each4 in stock
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Noritz Easy Series LP Tankless Water Heater – 40 Gallon Tank Replacement
Starting at Best Price $1,521.64/each9 in stock
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Noritz NRC66ODLP Outdoor Condensing Direct Vent Tankless Water Heater, 6.6 GPM - Liquid Propane
Starting at Best Price $1,082.26/each4 in stock
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Eemax Tankless Elect. Water Heater 240 Volt 3.5Kw 14.6 Amps
Starting at Best Price $228.20/each1 in stock
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Eemax SPEX3512 FlowCo Electric Tankless Water Heater, 3.5kW, 120V, Single Phase, 29 Amps, Non-Thermostatic
Starting at Best Price $208.31/each -
Noritz 9.8 GPM Natural Gas Indoor Tankless Water Heater W/Pump
Starting at Best Price $1,556.73/each -
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NPN-E Series Navien Non-Condensing Tankless Water Heater 180K BTU, 0.81 EF
Pricing available in-store only -
Noritz Ez/Eztr Series Flex Vent Kit - 35 Feet
Starting at Best Price $573.04/each -
Noritz 199,900 BTU 11.1 GPM NG Residential Tankless Water Heater
Starting at Best Price $1,729/each3 in stock
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Noritz 7.1 GPM Outdoor Tankless Water Heater - 157,000 BTU
Starting at Best Price $1,331.99/each5 in stock
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Noritz 7.1 GPM Indoor Tankless Water Heater – Propane (LP Gas), 157,000 BTU
Starting at Best Price $1,331.99/each8 in stock
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Noritz Easy Series 199,900 Indoor Condensing Tankless Water Heater – Propane (LP Gas)
Starting at Best Price $1,849.91/each4 in stock
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Stiebel Eltron 074055 240V, 7.2 kW DHC 8-2 Single Sink Point-of-Use Tankless Electric Water Heater, 10/8 Gauge
Starting at Best Price $200.30/each -
Noritz 11.1 GPM Outdoor Tankless Water Heater – Natural Gas, 199,900 BTU
Starting at Best Price $1,755.88/each5 in stock
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Noritz Tankless Water Heater 11.1 Gpm Ng Indoor Condensing W/Htr W/Pump
Starting at Best Price $1,695.10/each -
Noritz 11.1 GPM Indoor Condensing Tankless Water Heater – 199,900 BTU, Natural Gas
Starting at Best Price $2,262.33/each1 in stock
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Noritz Easy Series NG Tankless Water Heater – 40 Gallon Tank Replacement
Starting at Best Price $1,521.64/each3 in stock
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3/4" x 3/4" Fip, 18" Stainless Steel Braided Water Heater Connector With Ball Valve Lead Free
Starting at Best Price $36.61/each
