Hot Spring / Watkins Low-Flow Heater – 6.0 kW Double Barrel, Sensors & Flow Switch
Replacement low-flow heater assembly made by HydroQuip, part number 26-C3072-8T-KF. Match the heater style (shape), wattage and switch/sensor type to the heater you are replacing.
What is a low-flow system? Older and some premium spas (early Artesian, Hot Spring/Watkins, many Jacuzzi, Sundance, Caldera and Dimension One models) heat with a small 24-hour circulation pump instead of a high-flow jet pump. Those spas need a low-flow heater — a standard 2″ flow-through heater will not see enough water flow to heat safely.
Features
- Heater Assembly, Low Flow, Double Barrel, 6.0kW, Auto-Reset HL, w/ Sensors, w/Flow Switch
- Temp & High Limit Adapters Included
- Temp & High Limit Sensors Installed
- Titanium Construction
- Drain Tube Ext Kit
- Installed Power Cord
- (6.0kW) C3072-1, C3072-1K1T, C3072-1K1TNB, C3072-1NS, C3072-1X
Specifications
- Low Flow Features: Sensors & Flow Switch Included
- Heater Length: 23″
- Wattage: 6.0kW
*Manufacturer reserves the right to make production changes. Actual product received may vary slightly in appearance but the function remains the same.
✅ Not Sure It Fits? Verify Before Ordering
Hot tub part compatibility can vary by spa brand, model, year, serial number, control system, and part revision.
To help us identify the correct replacement part, please send clear photos of:
- Your existing part label or sticker
- Your spa serial number sticker
- The equipment area or installation location (if accessible)
EZ Hot Tub Parts can help confirm fitment before you order and help reduce costly returns.
Compare the part number 26-C3072-8T-KF with the label on your old part, and match the style, wattage and connections. Not sure? Send photos through the fit-check form above and we will confirm before you order.
Low-flow spas heat with a small circulation pump running most of the day, and the heater is a small canister or tube (square back, trombone, double barrel, vertical) instead of a 15" long 2" flow-through tube. Send us a photo of your equipment and we will tell you.
In-stock items ship from the manufacturer, usually within 1–2 business days. Orders over $99 ship free in the lower 48.
26-C3072-8T-KF hot spring / watkins low-flow heater – 6.0 kw double barrel, sensors & flow switch low flow heater
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