Stiebel Eltron Tempra 12 Trend Electric Tankless Water Heater, 12 kW, 240 V (239213)
The Tempra 12 Trend is an electric tankless water heater rated 12 kW at 240 V on a single circuit. It modulates power to the incoming water, holds a setpoint from 68°F to 140°F and needs no venting. You set it with one knob and the Tmax button, and the backlit display shows the setpoint with a power bar.
Highlights
- At 240 V it delivers 1.26 gpm at 105°F from 39°F inlet water, or 1.82 gpm from 59°F.
- Needs one 50 A double-pole breaker and one 8/2 AWG copper run; 100 A service recommended.
- Starts heating at a flow of just 0.37 gpm through the unit.
- Rated UEF 0.94 with 93% recovery efficiency, holding only 0.13 gal of water.
- Weighs 13.5 lb and measures 14-1/2 × 16-5/8 × 4-5/8 in. (H × W × D).
- A settable Tmax limit caps how high the setpoint can go, and a display lock blocks changes.
Shipping
We ship to all 50 U.S. states and Washington, D.C., with free standard shipping on all orders within the United States. We do not ship to U.S. territories or to APO/FPO/DPO addresses. Orders are processed within 0–1 business day, and standard transit after shipment takes 3–4 business days for most U.S. addresses. You get a tracking link by email once the order ships. Shipping policy
Returns
You can request a return within 30 days of the delivery date. Items must be unused, in the same condition as received, in the original packaging with all accessories and documentation. Return shipping is free: we email a prepaid return label that you download and print. Refunds go to the original payment method within 7 business days after the item arrives and is inspected. We do not charge restocking fees. Return and refund policy
Warranty
Products may be covered by the manufacturer's warranty, depending on the brand and product. Coverage and claim steps are set by the manufacturer: see Warranty information for brand warranty contacts. Your order confirmation email is your receipt. If you lose it, contact us and we will resend it.
Specifications
| Model | Tempra 12 Trend (239213) |
|---|---|
| Power | 12 kW at 240 V, 9 kW at 208 V |
| Voltage | 240/208 V, single phase |
| Amperage | 50 A at 240 V, 44 A at 208 V |
| Breakers | 1 × 50 A double pole |
| Wire | 1 × 8/2 AWG copper, 75°C or higher |
| Activation flow | 0.37 gpm |
| Flow at 240 V | 1.26 gpm at 105°F outlet from 39°F inlet |
| Temperature range | 68–140°F |
| Connections | 3/4 in. NPT |
| Water pressure | 30–150 psi |
| Efficiency | UEF 0.94 |
| Dimensions | 14-1/2 × 16-5/8 × 4-5/8 in. (H × W × D) |
| Weight | 13.5 lb (6.1 kg) |
In the box
- Tempra 12 Trend water heater
- Screws and plastic wall anchors for mounting
Video
Stiebel Eltron: cleaning the filter screen on Tempra heatersManufacturer's video on YouTube