The Ideal Heating Magnetic System Filter (236911) is a 28mm full-flow magnetic filter designed for the Logic Air heat pump range, protecting the heating circuit from the magnetite and general debris that erode efficiency and shorten component life. Fitted with a powerful neodymium magnet housed in a dry pocket, the filter captures both ferrous and suspended particulate before it reaches sensitive heat exchanger and pump surfaces.
Its compact, high-capacity body is engineered for fast, tool-free cleaning and simple chemical dosing directly through the integral drain valve, with no lid to remove and therefore no associated leak risk. Flexible connection options and unlimited pipework orientation make it straightforward to fit on new installs or as a retrofit upgrade ahead of a heat pump changeover.
10-Year
Warranty (Registered)
Important: Chemical Inhibitor Required for Warranty
A quality chemical inhibitor must be used alongside this filter to protect against ongoing system corrosion. The warranty is void if the system is found not to contain an inhibitor, and inhibitor levels should be checked annually.
Please Note: Warranty Registration Window
The full 10-year warranty requires registration on Ideal Connect. When fitted with an eligible Max boiler, both the boiler and filter must be registered together within 30 days of installation — missing this window reduces cover to 12 months from installation.
Good to Know: Three Ways to Connect
The filter accepts two isolation valves, a nut-and-ring connection, or a combination of one valve and one nut-and-ring — giving installers flexibility to match existing pipework without additional adaptors.
Dry Pocket Magnet
The neodymium magnet sits in a sealed dry pocket, so it can be lifted out and wiped clean during a service without draining the whole filter body.
No-Lid Dosing
Chemical dosing is carried out through the drain valve rather than a removable lid, removing a common source of seal failure and system leaks.
Low Pressure Drop
The full-flow body design maintains system flow rate and heating efficiency, avoiding the throttling effect of smaller inline strainers.
Unlimited Orientation
The filter can be rotated in 45° increments and installed on any pipe run ahead of the boiler or heat pump, simplifying tight plant room layouts.
Fast Service Cycle
Removing the magnet and flushing the body until water runs clear is a quick job, supporting the annual service Ideal recommends to maintain warranty cover.
Compact Footprint
At 1.65kg net weight and a slim profile, the filter fits alongside the Logic Air monobloc heat pump range without demanding extra plant room space.
| Product Identification |
| Manufacturer |
Ideal Heating |
| Product |
Logic Air 28mm Magnetic System Filter |
| Manufacturer Part Number (MPN) |
236911 |
| Compatible With |
Ideal Logic Air heat pump range |
| Technical Specification |
| Connection Size |
28mm |
| Filter Type |
Full-flow magnetic system filter |
| Magnet Type |
Neodymium |
| Filter Body Material |
Brass |
| Maximum Operating Pressure |
10 bar |
| Maximum Operating Temperature |
100°C |
| Maximum Flow Rate |
50 L/min |
| Net Weight (filter and isolating valves) |
1.65 kg |
| Gross Weight (packaged) |
1.78 kg |
| Installation & Warranty |
| Installation Location |
Anywhere on the heating circuit before the boiler/heat pump; optimum position on the return leg |
| Mounting Orientation |
Unrestricted — adjustable in 45° increments |
| Standard Warranty |
1 year |
| Extended Warranty (registered within 30 days with eligible Max boiler) |
Up to 10 years, filter body and magnet assembly, to 95°C |
| Non-Metal Parts Warranty (seals, O-rings) |
2 years |
| Recommended Service Interval |
Annual |
Where should the Ideal Magnetic System Filter be installed?
Ideal recommends fitting it on the return leg of the heating circuit, between the last radiator and the boiler or heat pump, for optimum protection. It can also be fitted anywhere on the circuit before the appliance if this position isn't accessible.
Does this filter work with sealed and open vented systems?
Yes. The filter is suitable for both combi/sealed systems and open vented systems, with slightly different recommended fitting points for each, detailed in the manufacturer installation guide.
How do I dose inhibitor through this filter?
Dosing is carried out via the integral drain valve: switch off the boiler, remove the drain valve cap, attach the dosing method, open the valve, dose the system, then close the valve and replace the cap before switching the boiler back on.
How often does the filter need to be serviced?
Ideal recommends an annual service. Servicing involves switching off the boiler, opening the drain valve, removing the magnet, and flushing the filter until the water runs clear.
What happens if I don't register the warranty?
Without registration, the filter defaults to its standard 1-year warranty. Registering on Ideal Connect within 30 days of installation (alongside an eligible Max boiler) extends cover to up to 10 years on the filter body and magnet assembly.
Is this filter safe near pacemakers or electronic devices?
The filter contains a strong neodymium magnet. Ideal advises keeping it away from bank cards and other magnetic-sensitive devices, and to handle it with care if you have a pacemaker fitted.
