this 1000-ohm platinum element ensures high-accuracy modulation for commercial heating and cooling sequences without the calibration drift common in lower-grade thermistors

this unit is designed to handle hot or chilled water and water-glycol solutions up to 50% concentration

reducing carbon monoxide risk and improving fuel economy

Solid-State Reliability: Microprocessor-based design ensures stable performance and precise airflow control

and dual-fuel burners for maximum field flexibility

Resideo V8043E1145 Valve 321894-708 this 1000-ohm platinum element ensuresThe Resideo V8043E1145 Valve is a professional grade 3 4 inch NPT motorized zone valve engineered for high demand hydronic heating systems. Specifically designed for closed loop applications, this 2 way normally closed valve provides precise on off control of hot water flow to individual zones. Featuring a forged brass body, a durable stainless steel stem, and a rubber ball plug, the assembly is built to withstand a maximum static pressure of 125 psi