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Chemical Resistance: Materials are selected for compatibility with a variety of neutral gases and liquids within an ambient temperature range of 32°F to 125°F
Can I use this to replace a different brand of gas valve
The unit features a 3" probe with a unique non-metallic
allowing for rapid replacement without modifying existing pneumatic connections
Lochinvar & A.O. Smith 100208661 Flow Switch R-22 Chemical Resistance: Materials are selectedThe Lochinvar & A. O. Smith 100208661 Flow Switch, also identified by part number 781621 or alias FS8 W, is a heavy duty liquid flow switch engineered for precise proof of flow detection in high efficiency commercial boiler systems and water heaters. Designed as a direct HVAC replacement part for the McDonnell & Miller FS8 W, this unit features a durable stainless steel #3 paddle configuration to ensure reliable contact closure once the system pump