20'x95' Greenhouse Frame Quonset hoops The OM-8 dry contact board

The OM-8 dry contact board allows the main controller to control up to 8 individual outputs on it

As with all of the main controllers from TrolMaster

The 10-year heat exchanger warranty is hard to beat

20'x95' Quonset greenhouse frames are also known as “high tunnel greenhouses

20'x95' Greenhouse Frame Quonset hoops The OM-8 dry contact boardHortitech greenhouse frames are built for resilience and are competitively priced. They are made from high grade galvanized steel that can withstand wind and snow. This product is the greenhouse frame only. 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