Product Sections

Main Pages

Best Sellers

9 cubm/hr 3.00m long fine bubble air diffuser for waste water treatment

9 cubm/hr 3.00m long fine bubble air diffuser for waste water treatment

Fine bubble high performance air diffusers. Semi flexible diffuser construction 300cm long 32mm diameter. Maximum recommended air flowrate is 10 cubic metres of air per hour. Materials of construction are plastic with 316 stainless steel end fittings, aslo fitted with non return valve in diffuser. Diffuser contains its own internal fused silica bead ballast. End fittings are 1/2" acetyl plastic as standard.

The Dryden Air diffuser is the leading air diffuser used in UK aquaculture, treatment of leachate water on landfill sites, sewerage treatment and numerous other applications.


OEM and dealer enquires welcomed
find out more

AFM grade 1 filtration media

AFM grade 1 filtration media

AFM (Advanced Filtration Media) grade 1 is the standard sized AFM media equivalent to 16 x 30 grade sand. M

Supplied in 25kg sacks, grade 1 particle size 0.5mm to 1.10mm. Media should be used on top of a layer of grade 2 AFM.

Price is per 25kg sack

find out more

Oxygen standard probe

Oxygen standard probe

High performance, very robust galvanic oxygen probe for the measurment of dissolved oxygen in water, waste water and air. Completely sealed internals, so there is no risk of insulation failure, heavy duty Sub Sea cable, high mv out-put 8 mv to approx 1mg/l dissolved oxygen. Ideal probe for your own oxygen monitors such as multichannel or stand-alone PLC based systems.

The probe is supplied with 5 meters of cable (alternative lengths available), pack of 5 membranes and 50ml of electrolyte.

Please enquire about discounts for orders of 10 or more.
find out more

Aquaculture | Water Technology | Environmental Products.....delivered worldwide

Heater with mechanical thermostat

dry1 | Temperature control Heating & Cooling systems | Water heaters | In-line heaters | Heater with mechanical thermostat

3kw 3 phase 415v heater with mechanical thermostat

3kw 3 phase 415v heater with mechanical thermostat

Ref: 4.8.150


Price: £485.49 / €582.59 (Excluding VAT at 17.5%)

In-line immersion heaters fabricated from a plastic polyamide body incorporating a titanium immersion heater. Suitable for use with seawater, aquaculture, swimming pools and corrosive environments. The unit is very simple to install,  the fittings are 50 to 63mm PVC plain sockets. The electrical requirements are 230v ac, or on request 380 to 415v ac. The unit includes a thermostat with a range from 16 to 40 degrees centigrade that can be used to switch at + or - 1 deg C.  There is no display of temperature,   however if this is required Dryden aqua can provide a unit that can be added to the heater to give a temperature display and refine the control to 0.1 deg C.  The In-line heater also includes a safety high temperature thermal cut-out and a low water flow switch.
more information

3kw 1 phase 230v heater with mechanical thermostat

3kw 1 phase 230v heater with mechanical thermostat

Ref: 4.8.150S


Price: £385.80 / €462.96 (Excluding VAT at 17.5%)

In-line immersion heaters fabricated from a plastic polyamide body incorporating a titanium immersion heater. Suitable for use with seawater, aquaculture, swimming pools and corrosive environments. The unit is very simple to install,  the fittings are 50 to 63mm PVC plain sockets. The electrical requirements are 230v ac, or on request 380 to 415v ac. The unit includes a thermostat with a range from 16 to 40 degrees centigrade that can be used to switch at + or - 1 deg C.  There is no display of temperature,   however if this is required Dryden aqua can provide a unit that can be added to the heater to give a temperature display and refine the control to 0.1 deg C.  The In-line heater also includes a safety high temperature thermal cut-out and a low water flow switch.
more information

6kw 1 phase 230v heater with mechanical thermostat

6kw 1 phase 230v heater with mechanical thermostat

Ref: 4.8.151S


Price: £645.29 / €774.35 (Excluding VAT at 17.5%)

In-line immersion heaters fabricated from a plastic polyamide body incorporating a titanium immersion heater. Suitable for use with seawater, aquaculture, swimming pools and corrosive environments. The unit is very simple to install,  the fittings are 50 to 63mm PVC plain sockets. The electrical requirements are 230v ac, or on request 380 to 415v ac. The unit includes a thermostat with a range from 16 to 40 degrees centigrade that can be used to switch at + or - 1 deg C.  There is no display of temperature,   however if this is required Dryden aqua can provide a unit that can be added to the heater to give a temperature display and refine the control to 0.1 deg C.  The In-line heater also includes a safety high temperature thermal cut-out and a low water flow switch.
more information

6kw 3 phase 415v heater with mechanical thermostat

6kw 3 phase 415v heater with mechanical thermostat

Ref: 4.8.151


Price: £704.28 / €845.14 (Excluding VAT at 17.5%)

In-line immersion heaters fabricated from a plastic polyamide body incorporating a titanium immersion heater. Suitable for use with seawater, aquaculture, swimming pools and corrosive environments. The unit is very simple to install,  the fittings are 50 to 63mm PVC plain sockets. The electrical requirements are 230v ac, or on request 380 to 415v ac. The unit includes a thermostat with a range from 16 to 40 degrees centigrade that can be used to switch at + or - 1 deg C.  There is no display of temperature,   however if this is required Dryden aqua can provide a unit that can be added to the heater to give a temperature display and refine the control to 0.1 deg C.  The In-line heater also includes a safety high temperature thermal cut-out and a low water flow switch.
more information

9kw 3 phase 415v heater with mechanical thermostat

9kw 3 phase 415v heater with mechanical thermostat

Ref: 4.8.152


Price: £801.88 / €962.26 (Excluding VAT at 17.5%)

In-line immersion heaters fabricated from a plastic polyamide body incorporating a titanium immersion heater. Suitable for use with seawater, aquaculture, swimming pools and corrosive environments. The unit is very simple to install,  the fittings are 50 to 63mm PVC plain sockets. The electrical requirements are 230v ac, or on request 380 to 415v ac. The unit includes a thermostat with a range from 16 to 40 degrees centigrade that can be used to switch at + or - 1 deg C.  There is no display of temperature,   however if this is required Dryden aqua can provide a unit that can be added to the heater to give a temperature display and refine the control to 0.1 deg C.  The In-line heater also includes a safety high temperature thermal cut-out and a low water flow switch.
more information

9kw 1 phase 230v heater with mechanical thermostat

9kw 1 phase 230v heater with mechanical thermostat

Ref: 4.8.152S


Price: £801.88 / €962.26 (Excluding VAT at 17.5%)

In-line immersion heaters fabricated from a plastic polyamide body incorporating a titanium immersion heater. Suitable for use with seawater, aquaculture, swimming pools and corrosive environments. The unit is very simple to install,  the fittings are 50 to 63mm PVC plain sockets. The electrical requirements are 230v ac, or on request 380 to 415v ac. The unit includes a thermostat with a range from 16 to 40 degrees centigrade that can be used to switch at + or - 1 deg C.  There is no display of temperature,   however if this is required Dryden aqua can provide a unit that can be added to the heater to give a temperature display and refine the control to 0.1 deg C.  The In-line heater also includes a safety high temperature thermal cut-out and a low water flow switch.
more information

12kw 3 phase 415v heater with mechanical thermostat

12kw 3 phase 415v heater with mechanical thermostat

Ref: 4.8.153


Price: £948.81 / €1,138.57 (Excluding VAT at 17.5%)

In-line immersion heaters fabricated from a plastic polyamide body incorporating a titanium immersion heater. Suitable for use with seawater, aquaculture, swimming pools and corrosive environments. The unit is very simple to install,  the fittings are 50 to 63mm PVC plain sockets. The electrical requirements are 230v ac, or on request 380 to 415v ac. The unit includes a thermostat with a range from 16 to 40 degrees centigrade that can be used to switch at + or - 1 deg C.  There is no display of temperature,   however if this is required Dryden aqua can provide a unit that can be added to the heater to give a temperature display and refine the control to 0.1 deg C.  The In-line heater also includes a safety high temperature thermal cut-out and a low water flow switch.
more information

dry1 > Temperature control Heating & Cooling systems > Water heaters > In-line heaters > Heater with mechanical thermostat

Prices shown are all ex-works Edinburgh Scotland