T991A proportional.temperature controllers provide modulating control of water or air temperatures in ducts, tanks, and similar applications. Standard models have a sensing bulb and capillary: fast-response models have a coiled sensing element that oper"|Modulating Temperature Controller: 160 to 260F: 5ft Copper Element: Maximum Operating Temperature 280 F
Product pictures shown represent the general type of component listed.The product you select might not exactly match the photo.