Rheem Hot Water Cylinder Element 2kW Incoloy Foldback 319100 – Replacement Heater Element
Inventory / Availability Status:
Leadtime of 2 - 4 days when stock level is not shown. This part is on its way from our supplier.
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Delivery / Pick Up and Returns
Delivery / Pick Up and Returns
Pick Up:
All orders are available for pick up. Pick up orders can be collected warehouse at Unit 5, 3 William Pickering Drive, Albany, Auckland at no extra charge.
You will receive a second email when your order is ready for pick up, this is usually within 24 hours for in stock items, or as soon as your item arrives for backorder items (often 3 - 7 days).
Nationwide New Zealand Shipping:
Shipping is available nationwide and internationally. We ship with NZ Post and New Zealand Couriers and our average delivery time for orders in stock is 1 - 5 days, and 2 - 10 days for orders that are available with supplier.
Special Order products, such as those on backorder, have varying ETAs. Please contact us if you want to check before ordering. Some parts (that come from Europe, America, or other overseas locations) can take a little while.
International Orders:
We offer shipping to international locations but not all countries and products are supported. Generally, if you are an international customer and you can select your country and address at checkout, it means we can ship that product to you. Please get in touch with us if you want further information.
If you want to be 100% certain about an ETA for a product, just send us a quick email or call and we'll get back to you ASAP with our best estimate. Thanks!
Returns:
If your order has not been picked up or shipped yet, you can cancel your order for a full refund.
If you have already received a part and it is incorrect or you no longer need it, you must let us know within 14 days of receiving your part.
NOTE FOR ALL RETURNS: You must notify us before sending a part back and get approval for returns. Parts that are sent back without notifying us in advance may not be approved for refund or return and you will be responsible for return shipping to get this part back to you.
We do not accept returns on electrical products, but may offer exchange / refund on other parts. The parts must not be used, damaged, or opened (on parts in packaging) and will be subject to restocking fees of 20% (depending on the part). This fee applies to all returns.
If you have received a faulty or damaged product, we will always offer a replacement (or refund depending on availability) at no cost to you.
Backorder Items:
As there are 100,000+ different SKUs we are able to source, we are unfortunately not able to stock all the parts that customers may need. Many parts will have to be ordered in from their respective suppliers and have varying lead times depending on the brand and part. For most parts, this is about 2 - 7 working days, however for some international brands or parts which are on backorder, there can be an extended lead time of 2 - 12+ weeks. If you are not happy to wait for your order, please get in touch with us and we can give you an ETA or cancel/refund your order for you right away.
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 description.
Compatible with the following models:
Rheem hot water cylinders using 2kW foldback elements

