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The Lochinvar Flow Switch model 100274747 is designed for optimal performance in controlling water flow within heating systems. Compatible with a range of heaters from the PB2500 to the PB5000 series, this essential component ensures your heating system operates efficiently and safely.
This flow switch is crucial for the prevention of dry firing, which can lead to significant damage in heating systems. It detects the flow of water and activates the heater only when sufficient water flow is confirmed, safeguarding the heating elements.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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