Description
Balboa Watkins Caldera 4.0kW 230V Low Flow Heater – Part 74912 / Hydro-Quip C3473-1
Upgrade or replace your spa heating system with the Balboa Watkins Caldera 4.0kW 230V Low Flow Heater, designed for reliability and performance in select Watkins and Caldera hot tubs.
- Powerful 4.0kW Output – Efficiently heats spa water for comfortable soaking year-round
- Low Flow Design – Optimized for spas requiring lower flow rates, reducing energy usage and ensuring compatibility with circulation pumps
- Direct Replacement for: Balboa 74912, Hydro-Quip C3473-1, Watkins/Caldera 74912
- Voltage: 230V
- Application: Compatible with many Watkins and Caldera spa models (verify fitment with your model or consult your spa manual)
- Stainless Steel Housing – Durable construction for extended lifespan and corrosion resistance
- Includes mounting hardware and pressure switch for straightforward installation
Installation & Usage:
- Disconnect power before servicing your spa
- Remove old heater and install new unit following manufacturer instructions
- Ensure all water connections are secure and there are no leaks before restoring power
- For optimal safety and performance, installation by a qualified spa technician is recommended
Why Choose This Heater?
- Genuine OEM replacement for dependable operation
- Perfect fit for many Caldera and Watkins spas
- Quick heat-up times and low flow compatibility
