Britech A421 Electronic Thermostat with Remote Bulb
January 3, 2025 The A421 series of controls are single stage, electronic temperature controls with a single-pole, double-throw (SPDT) output relay. The controls feature an adjustable backlit LCD for viewing the temperature and status of other functions, and a three-button touchpad for setup and adjustment. A421 controls are rated for 120/240VAC. The A421 controls provide…



