20'x20' Greenhouse Frame Quonset Sidewall Height/Truss Spacing:6'/4' Check valve

Check valve

Any heating or cooling device that is 10-amps at 120 volts or less can be controlled by the DST-1

sensor calibration

The DSD-1 is the product that you need to control those types of devices

20'x20' Greenhouse Frame Quonset Sidewall Height/Truss Spacing:6'/4' Check valveHortitech greenhouse frames in 20'x20' are built for resilience and are competitively priced. These small greenhouses are made from high grade galvanized steel that can withstand wind and snow. When you buy greenhouse frames from Hortitech, you get greenhouse frames direct from the manufacturer that are 100% American made with no cheap pre fabricated foreign parts. This product is ONLY the steel greenhouse frame. All steel, purlin, and hardware for