Rheem Hot Water Cylinder Element 2kW Incoloy Foldback 319100 – Replacement Heater Element

This genuine Rheem 2kW Incoloy foldback element is designed for hot water cylinders, delivering reliable heating performance especially in hard or corrosive water conditions. The Incoloy construction provides excellent resistance to scale and corrosion from minerals such as calcium and magnesium, while the foldback design reduces heat density to extend element lifespan. Suitable for both low pressure and mains pressure systems.

Key Features

- Rheem heating element
- Part number: 319100
- Power rating: 2000W / 230V
- Incoloy construction for superior corrosion and scale resistance
- Foldback design for reduced heat density and longer life
- Suitable for hard and corrosive water conditions
- Fits both low pressure and mains pressure systems
- Durable construction for long service life

Specifications

- Boss size: 1 1/4" BSP brass boss (42mm diameter)
- Penetration length: 265mm
- Includes rubber washer for high pressure systems
- Includes fibre washer for low pressure systems
- Equivalent part numbers: SIN2, 1138H, 319100

Common Signs You May Need a Replacement

- Water not heating or taking too long to heat
- Inconsistent or fluctuating water temperature
- Element tripping power
- Visible scale buildup or corrosion damage
- Reduced hot water supply

This is a genuine Rheem part, ensuring correct fitment, safe operation, and reliable long-term performance.

Compatibility – Make sure to check that this part is compatible with your model – check your cylinder specifications and compare it to the values in the.

Compatible with the following models:
Rheem hot water cylinders using 2kW foldback elements