(based on 1 rating)

CTC Model 43058 Non-Programmable Multi-Stage Thermostat The Model 43058 digital multi-stage heat pump thermostat combines the latest in digital temperature control to ensure a trouble-free installation every time. Features * Latching relay assures system compatibility * Electronic digital accuracy * Large, easy-to-read display * Energy Monitor * Filter Monitor * No programming required * 'System On' indicators * Keyboard lock * Auto heat recovery * 3-year warranty * AC powered with 2 AAA battery backup (must have 24V Common, batteries for backup only) * INDIGLO® backlight * Optional hardwire remote sensor -with temperature averaging feature - supports up to 2 remote sensors Compatibility: * 2-stage heat pumps with 2 heat / 2 cool * 2-stage heat pumps with 2 heat / 1 cool * Single stage heat pumps * Conventional two stage heat/cool systems * Multi-stage heat/cool systems * Not compatible with line voltage (110V / 220V) systems Specifications * 20-30 VAC, 50/60 Hz * Current draws 0.1 to 1.5 amps per terminal. Max 2.5A total. * Display temperature limits: 40°-95° F * Operating differential +/- 1° F * Compressor protection: 4 min. delay on break * Terminations: R, Y1, Y2, W1, W2, E, O, B, G, L, C * Remote Sensor Terminations: RS1+, RS1-, RS2+, RS2- * Dimensions - 7" W X 4-3/4" H X 1-5/8" D