Balboa 3 kW heater M7, reconditioned

This reconditioned 3 kW heater in perfect working order is compatible with the vast majority of Balboa M7 control systems, including the GS series and, GL2000 and GL2001 (but not the GL8000). It comes with an Incoloy 825 element (perfect for most requirements).

The Balboa M7 (or Millenium 7, as it was originally known) control system uses two very sensitive temperature sensors inside the barrel of the heater itself to detect the rate of water flow. This makes it much more reliable, in our experience, than competitive systems that use failure-prone moving parts instead, such as pressure switches or flow switches. M7 heaters require a minimum water flow rate of 75 litres/minute (4.5 m³/hour).

The M7 sensors and cables are also included. It is very easy to replace a Balboa M7 heater; it will probably take you less than 10 minutes.

Dimensions
Length: 381 mm (without connectors and gaskets)
Usually connected to 2" pipe

Connection
The heater is supplied with its two 2" connections and gaskets. If you are replacing your heater, be sure if needed to add the union sockets for 2" pipes. Union sockets for 1.5" pipes are also available.

Warranty
6 months Tubs Parts warranty

Balboa part numbers
Incoloy 800: 58118 (also compatible with 58107)

This heater is one of the most popular models that uses Balboa's proprietary M7 technology. It is compatible with lots of different Balboa control systems, including all of the following part numbers.