Sustain Pedal for Keyboard, Sovvid Upgrade Universal Piano Foot Pedal with Polarity Switch for All MIDI Keyboards, Digital Pianos, Electronic Keyboards : Amazon.co.uk: Musical Instruments & DJ
If Your Sustain Is Pedal Working In Reverse, This May Be Why
Yamaha P45B 88-Key Digital Piano - SBR Pro Sound
Sustain Pedal for Yamaha Series Electronic Keyboards Synthesizers Drum Machines | eBay