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Duotone terrace — saffron brief on the left, garden-folded ledger on the right.
Common Questions & Technical Insights Is the VS3313 compatible with glycol-based systems
What is the maximum close-off pressure
Quick Field Replacement: Lightweight and rigid construction allows for rapid sliding exchanges during routine maintenance calls
This compact component is a standard for contractors looking to improve system reliability and ensure backup pump availability during peak loads
this unit is engineered for systems utilizing R-22 refrigerant
Lochinvar & A.O. Smith 100288429 Switch 322838-753 Common Questions & Technical InsightsThe Lochinvar & A. O. Smith 100288429 Switch is a critical safety component designed for precise air pressure sensing in high efficiency heating systems. This OEM replacement part is factory calibrated to a 3. 90" water column (WC) set point, serving as a primary air proving switch to ensure the blower motor is moving sufficient combustion air before the ignition sequence begins. Engineered for compatibility with specific Lochinvar boilers and A. O.
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US$ 31.99