Hot Water Heater Parts
High-Performance Water Heater Replacement Parts for Constant Comfort
Ensure a steady and reliable hot water supply with our professional-grade selection of water heater replacement parts. Whether you are performing routine maintenance to prevent sediment buildup or urgent repairs to restore service, Seneca River Trading provides the durable components you need for both residential and commercial systems.
Shop our comprehensive inventory of high-wattage heating elements, precision thermostats, and heavy-duty anode rods designed to extend the life of your tank. We also stock critical safety components, including Temperature & Pressure (T&P) relief valves, gas burners, and reliable pilot assemblies. From energy-efficient upgrades to essential repair kits, our parts are compatible with leading water heater brands, helping you maintain optimal heating performance and long-lasting system durability.
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Single Element Thermostat For Electric Water Tank, 230033, 4000HL
$13.34Knox Company Single‑Element Water Heater Thermostat | OEM‑Compatible | MFG# 4000HL Brand New – Knox Company Single‑Element Thermostat (Therm‑O‑Disc® New Style) This high‑quality single‑element water heater thermostat replaces Therm‑O‑Disc®...4000HL$13.34 -
Upper Thermostat For Electric Water Tank, 230063, 4100HL
$13.34Knox Company Upper Water Heater Thermostat | OEM‑Compatible | 4100HL / 230063 Brand New – Knox Company 4100HL Upper Thermostat for Electric Water Heaters This premium OEM‑compatible upper thermostat replaces Knox 4100HL / 230063 and meets...4100HL$13.34 -
Electric Water Heater, Lower Thermostat, 5600-011, 5600-411, WH-5
$9.59APCOM WH9 Lower Water Heater Thermostat | OEM‑Compatible | 110–170°F Adjustable Brand New – APCOM WH9 Electric Water Heater Thermostat for Lower Element This high‑quality OEM‑style WH9 lower thermostat is designed for electric water heaters...WH5$9.59 -
Water Heater Screw In Element, High-Watt Density, 240V 4500W Replaces 100108283
$7.34Water Heater Screw-In Element – 240V | 4500W | High-Watt Density | Replaces SG1453 Restore efficient water heating performance with this brand-new high-watt density screw-in heating element, engineered to replace part number SG1453. Ideal for...S245$7.34Qty in Cart: 0Quantity:Price:$7.34Subtotal: -
Water Heater Screw In Element, High-Watt Density, AP4503126, PS805410, SG1353
$7.34Water Heater Screw-In Element | 240 V | 60 Hz | 3,500 W | High-Watt Density | Replaces SG1353 Restore your water heater’s performance with this brand-new screw-in heating element. Designed for 240 V, 60 Hz, 3,500 W operation, this high-watt...S235$7.34 -
Water Heater Hot surface Igniter for Rheem, AS39271, 1099, DS014KX
$25.05Water Heater Hot Surface Igniter | Rheem AS39271, 1099, DS014KX Replacement | OEM-Style Igniter Restore safe and reliable ignition to your gas water heater with this brand-new hot surface igniter replacement, compatible with Rheem® and select OEM...DS014KX$25.05 -
Water Heater Upper Thermostat, 5600-211, 5600-311, WH6-4, WH10A
$17.84Water Heater Upper Thermostat | OEM‑Compatible | WH10A | 110–170°F Adjustable Brand New – WH10A Electric Water Heater Upper Thermostat This premium OEM‑style WH10A upper thermostat provides precise temperature control for electric water...WH6-4$17.84 -
Supco Water Heater Igniter, 9003626005, SSN6005
$61.50Brand new, Supco Water Heater Igniter, 9003626005, SSN6005. The ultimate upgrade made from Silicon Nitride, robust and durable. This 80 volt direct drop in upgrade replaces AO Smith® - 9003626005.Replaces Part Numbers: 9003626005, 900362115,...SSN6005$61.50 -
Single Element Water Heater Thermostat WH5-4, WH9
$13.34Electric Water Heater Thermostat | OEM‑Compatible | WH5‑4, WH9 | 110–170°F Adjustable Brand New – WH5‑4 Thermostat for Single‑Element Electric Water Heaters This high‑quality OEM‑style WH5‑4, WH9 thermostat provides precise temperature...WH5-4$13.34