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the 700-201 is multi-positional
replacing a fouled or cracked sensor with this OEM Lennox flame sensor eliminates intermittent "no-heat" calls caused by failed flame rectification and ensures equipment operates at peak safety specifications
What is the difference between direct acting and pilot duty models
If the venter motor runs but the burner fails to ignite
Ideal for combustion safety systems
Siemens Building Technology 357-0004 Stat 326070-701 the 700-201 is multi-positionalThe Siemens 357 0004 Limitem is a heavy duty, gradual direct acting pneumatic thermostat designed for precision air temperature control in demanding commercial HVAC air handling units. This liquid filled averaging bulb thermostat features a 15 foot sensing element and a 40 foot capillary tube, providing extensive reach for monitoring across large duct cross sections. Engineered for reliability as a low limit control or primary controller, it operates
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