We are looking for reliable manufacturers only of this product:
name : heat / cool thermostat
function selection: heating / cooling
setting: by push button
power supply: 110vac, 60hz
temperature range: 45 - 90 fahrenheit degrees
output: relay (5a, 110vac) fahrenheit / celsius
selection: by jumper fan
activation: on / auto
display: lcd wall mounting.
72790.[US]
美国求购冷热自动调节器(heat / cool thermostat) 
