Q4C-A-RT0 is a Q4C Series 4 Sensor Digital Controller W/ Relay Board (4 x Spdt, 10 A) + Isolated 4-20 Ma Or 2-10 Vdc Output Board manufactured by iO HVAC Controls.
We offer flexible shipping and scheduling options, up-to-date delivery estimates, and free ground shipping on any order over $99 to make sure your order gets to you on-time, for less.
Ordered the wrong product? Item damaged in transit? Our 3-step process makes returning products easy – even up to a year after purchase – with no restocking fees on returns made within 90 days.