Best Hot Water Heater Lower Element Replacement Kits and Parts
Finding reliable replacement lower elements and tune-up kits helps restore hot water faster and improve energy efficiency. This guide highlights five popular options for replacing lower elements and thermostats on a wide range of electric water heaters. Each product offers different compatibility, wattage, and tool-access features to fit common brands and tank sizes.
The following table summarizes the chosen products and key attributes to help you compare options at a glance.
| Product | Brand | Type | Key Features |
|---|---|---|---|
| NISHCON EWH-01 Electric Water Heater Tune-Up Kit | NISHCON | Lower Element Kit with 2 Elements & Thermostats | 2 × 13-9/16″ elements, 3500W@208V, upper & lower thermostats, 90F-150F range, 1-year warranty |
| Camco 4500W 240V Screw-in Foldback Element | Camco | Lower Power Element | 4500W @ 240V, low watt density, 1″ NPSM bushing, fits many tanks |
| EWH-02 Electric Water Heater Tune-Up Kit By NISHCON | NISHCON | Tune-Up Kit with 2 Elements & Thermostats | 2 × 13-9/16″ elements, 240V 4500W, compatible with Apcom TOD, protective covers |
| TAIACE EWH-05 Electric Water Heater Element Kit | TAIACE | Element Kit with 2 Elements & Thermostats | 2 × 4500W/240V elements, upper & lower thermostats, quick-change tool, drain board |
| Alltemp Electric Water Heater Tune-Up Kit | Alltemp | Tune-Up Kit with 2 Elements & Thermostats | 2 × 4500W/240V elements, TOD thermostats, wide compatibility, protective covers |
NISHCON EWH-01 Electric Water Heater Tune-Up Kit

The NISHCON EWH-01 kit includes two 13-9/16″ water heater elements and gaskets, plus upper and lower thermostats. It supports a temperature range from 90F to 150F with a high limit around 170F. Suitable for dual-element tanks and many major brands, this kit aims to restore efficiency and improve energy consumption on 30-gallon or larger electric water heaters. The package provides a one-year warranty for added assurance.
Camco 4500W 240V Screw-in Foldback Element

This low watt density, screw-in element is designed for compatibility with many replacement scenarios at the same wattage and voltage. It outputs 4500W at 240V and uses a standard 1-inch NPSM threaded bushing with a durable gasket and fold-back copper tubing. It fits tanks with a minimum 13-inch diameter, making it a versatile option for upgraded or replacement installations in hard water areas where mineral buildup is a concern.
EWH-02 Electric Water Heater Tune-Up Kit By NISHCON

The EWH-02 kit expands on the basic tune-up concept with two 13-9/16″ elements and both upper and lower thermostats, plus two terminal protective covers. It offers 240V 4500W operation (208V 3800W) and a 90F–150F adjustment range. The kit emphasizes compatibility with multiple Apcom TOD variants and adds protective features to prolong element life, alongside chrome-plated heating zones for durability.
TAIACE EWH-05 Electric Water Heater Element Kit

TAIACE’s EWH-05 kit provides two 4500W/240V water heater elements along with upper and lower thermostats and a quick-change tool set. It includes a wrench and protective covers to simplify replacement and maintenance. The kit aims for durable heating elements and a broad operating range of 90F–150F, compatible with common electric water heater configurations and offering practical disassembly assistance via the included tools.
Alltemp Electric Water Heater Tune-Up Kit

The Alltemp kit features two 4500W/240V copper heating elements and two element thermostats with protective covers. It emphasizes wide compatibility with many brands, including Whirlpool, GE, A.O. Smith, Bradford White, and more. The combination supports a 90F–150F range with a Thermo-O-Disc (TOD) style and aims to deliver reliable performance with longevity through robust materials and protective features.
Buying Guide
Choosing the right hot water heater lower element replacement kit involves assessing tank size, voltage, wattage, and compatibility with existing thermostats and seals. Consider the following perspectives:
- Tank compatibility: Ensure the kit fits the tank diameter and has the correct NPSM threading (commonly 1″ for standard residential units).
- Wattage and voltage: Most residential electric heaters use 4500W at 240V, but some settings may run at 208V or 480V. Match the kit to your supply and heater model.
- Thermostats and TOD compatibility: If your unit uses Thermo-O-Disc (TOD) or Apcom-style thermostats, verify compatibility to avoid electrical issues or temperature control problems.
- Durability and materials: Copper elements and chrome-plated components resist corrosion and mineral buildup, especially in hard water areas.
- Warranty and support: A kit with a warranty offers peace of mind for part failures or compatibility questions during installation.
- Tools and ease of installation: Some kits include a quick-change or wrench tools to simplify replacement; consider whether you need protective covers or drain boards for easier service.
When evaluating five popular options, consider your tank size (≥ 30 gallons is common for dual-element systems), your water quality, and whether you prefer a tune-up kit that includes both elements and thermostats or a focused lower-element replacement. Always follow the manufacturer’s installation instructions and disconnect power before servicing a water heater.