Overview Other Details Reviews Product Description PNEUMATIC DAY/NIGHT THERMOSTAT, DIR ACT HEATING, NO COVER, DEG F, 2 TEMP SECONDARY LINEERATURES FOR DAY-NIGHT. DIRECT Other Details 0.45 Product Videos Custom Field Product Reviews (No reviews yet) Write a Review Write a Review × Honeywell Honeywell TP971C2009/U Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name *Email *Review Subject *Comments