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This genuine Reznor heating part provides the precise millivolt signal required for modern control modules
Can I use a common wire with this thermostat
This unit serves as a direct replacement for Honeywell V4843 and V8843 series valves
Do I need to replace both rings at the same time
improving system logic and HVAC energy efficiency
McDonnell & Miller FS7-4WL Snap Switch Freon This genuine Reznor heating partThe McDonnell & Miller FS7 4WL (Part Number 120301) is a heavy duty, industrial grade liquid flow switch engineered for high demand applications requiring precise flow monitoring. Featuring a 1 1 4" NPT connection and a robust SPDT snap switch, this unit is designed for integration into control circuits that signal alarms, start motors, or cycle pumps. The FS7 4WL is built for durability with an extended paddle arm and trimmable stainless steel
