This Size 4 high strength cast iron spacer flange is engineered for the Sure-Flex Plus series

ensuring full compatibility with Hot Dawg unit heaters manufactured after May 2007

Whether you are troubleshooting a Heil 1175308 pressure switch or looking for a high-reliability HVAC safety switch for long-term system stability

Contractors can perform non-intrusive calibration using the included magnetic wand

this critical component is a direct replacement for the MET140 sight gauge protector

Automation Components Inc (ACI) A/20K-D4-PB Thermistor 326058-758 This Size 4 high strengthThe Automation Components Inc (ACI) A 20K D4 PB Thermistor is a high precision duct temperature sensor engineered for HVAC Building Automation and light industrial systems. This model features a 4 inch 304 stainless steel probe and a 20K Ohm NTC sensing element, providing an accuracy of + 0. 36F (0. 2C). Designed for rapid installation, the unit includes a flame retardant ABS plastic box enclosure with a built in mounting flange and a foam vibration