Sigma Parts

Welcome to Sigma Parts, your one-stop shop for the Industrial, MRO, & HVAC Control market.We have been offering engineering solutions to facilities worldwide for the last 12 years. Due to our wide range of warehouses, we are ready to ship to your plant, overnight if necessary. We depend on repeat business, and that is why we offer our best customer service and technical support. Our control products ship with a 1 year warranty standard, and our checkout process is simple and secure for your peace of mind. Sigma Parts wants to offer your purchaser a great price for every manufacturer and every RFQ. We have a passion for logistics.

Programmable Logic Controllers – PLC
Automate your industrial or HVAC applications with a PLC from Sigma Parts. We stock and quote the most trusted manufacturers of PLC, from Allen Bradley and Siemens, to GE Fanuc and Proface, Honeywell and Schneider Modicon. Sigma Parts stocks PLC with different input and output combinations, all the way up to the modular and rack-mounted assemblies with thousands of I/O to control complicated manufacturing processes such as robotic devices. Connection options include USB, Ethernet, RS-232, RS-485, or RS-422 cabling, and communication port options such as Modbus and Modbus Plus. Assembly lines, power transmission and distribution systems can be automated by Programmable sequential switching operation features due to these devices.

Honeywell
Honeywell Industrial Temperature and Electric Controls have always been a top-seller at Sigma Parts, for their superior design, function, and power. We stock the TradeLine catalog, which includes their modutrol motors and actuators, protectorelays (RA890), burner controls (RM7800), valve bodies (VB), amplifiers, and limit switches. We supply and repair their entire Industrial line because our customers rely on it. These include the Herculine 2000/2001 Series, Actionator M640/M740/M940 Motors, UDC digital recorder, DR4500 digital recorders, and STD Smart Transmitters. Sigma Parts also specializes in the “purple peeper” C7012 Flame Detectors and Scanners. These are the top engineering control products for good reason.

All Honeywell products New and Rebuild come with a full 1 year warranty. This has been our top manufacturer, therefore we look forward to sharing our knowledge with you. If you have an obsolete part number, and cannot find the replacement, we may have the solution for you. Honeywell includes our deepest discounts, biggest sellers, and most stocked items.