does anyone use these? as i feel they are a massive strain on my pump!!!!
the pumps manual states one before the pump and one after.
here is my pump
http://www.aquatuning.co.uk/product_info.php/info/p1253_Laing-D5-Pump-12V-D5-Vario-1-2-IG.html
and the valves i bought
http://www.aquatuning.co.uk/product_info.php/info/p13877_One-way-valve-G1-4-inner-thread---MSV.html
the pumps manual states one before the pump and one after.
here is my pump
http://www.aquatuning.co.uk/product_info.php/info/p1253_Laing-D5-Pump-12V-D5-Vario-1-2-IG.html
and the valves i bought
http://www.aquatuning.co.uk/product_info.php/info/p13877_One-way-valve-G1-4-inner-thread---MSV.html