Thank you for visiting RadioShack. If you need assistance with shopping on our site, please call us at 800-843-7422 and a customer care representative will be happy to assist you. Please inform the Customer Service representative that you require assistance.
Velleman's K2639 is a fun liquid level controller that detects fluid levels and operates a bell or other alarm device.
Power supply: 12-14VAC or 16-18VDC/100mA
Relay output: 240V/3A max
Controller PCB: 4.1x2.4"
Sensor PCB: 4.1x1"
Pricing and availability: Please note that all prices are subject to change without prior notice. Prices advertised on this site are for online orders only. Prices on some items may differ from those advertised in RadioShack stores. All merchandise may not be available at all stores, and all stores may not participate in all sales promotions. We recommend you contact the store to confirm product availability and price.