Hays Cleveland Draft Control

Hays Cleveland Controls

Thermal Tech, Inc. carries Boiler Room Controls by Hays Cleveland. For over 100 years, Hays Cleveland Combustion Controls, Instruments & Systems have provided enduring quality and value for the money spent!

This economical system controls the draft with burner management system sequencing. The solid-state design simplifies routine maintenance and greatly reduces repair. 

Basic components include an electronic sensor with a logic panel to provide floating proportional control, a draft/pressure gauge, an optional flue gas temperature indicator transmitter, and an optional low draft or high-pressure cutout switch. Modbus communications for interface with SCADA or building management systems are standard.

Available Products

UPAC™ Universal Programmable Automation Controller

Complete Boiler Plant Control, Monitoring & Communications! PAC (programmable automation controller) platforms offer the expansion and control capability of PLC’s, the PID performance of multiple loop controllers, and the communication options of DCS. Initial investment and maintenance costs are low.

AC-PAC™ Multiple Loop Advanced Control, Programmable Automation Controller with Touchscreen

Hays Cleveland is proud to introduce the AC-PAC™, our high-tech, low-cost, single solution for projects ranging from complete new systems to individual controller replacements. AC-PAC™ offers powerful PAC technology and an HMI capable of replacing any other loop controller technology in any typical application–but at an unexpectedly economical price point.

Series C-05810 Micro IV Lead Lag Sequencer

Micro IV™, a fourth generation lead lag sequencer with modern control features designed to provide efficient operation for today’s boiler plants that generally use more and smaller boilers than the plants of the past. The Micro IV™ provides the rate and desired pressure or temperature to meet changing facility demands not achievable with individual boiler controls.

Series C-07720-C0 Draft Control System

The Hays Cleveland C-07720 Draft Control System is a state-of-the-art product that combines, in one package, all the components of draft control, flue gas monitoring and safety:

  • High performance microprocessor for accurate draft control.
  • Draft sensor (No external transmitter is required.) Draft range signal for monitoring.
  • Electronic draft reading.
  • Flue gas temperature transmitter and reading.  Flue gas temperature alarm.
  • Low draft or high-pressure cutoff switch.