The L641B is a control Thermostat designed to provide high or low limit or frost protection in heating and hot water systems. Features Ideal for pumped systems Tamperproof adjustment option High & low limit models Bi-metal strip sensor Surface mounted.
- Ideal for pumped systems
- Tamperproof adjustment option
- High & low limit models
- Bi-metal strip sensor
- Surface mounted
Order before 2.30pm for next working day delivery (orders placed after 2.30pm will be processed the following working day). Please note if you have ordered an item which is listed as next day delivery with an item which has a longer lead time they will be sent together at the longer lead time.