Technicians can usually jump the "Test" pins to force a manual defrost cycle

Enhanced Thermal Management: The Nema 1 enclosure features integrated fan cooling to maintain internal component integrity under high-load conditions

Can I bypass the 250-degree rollout switch for testing

even minor variations in size can lead to housing interference or efficiency loss

some newer Forsaire Direct Vent models utilize different sensor configurations or electronic ignitions

Lochinvar & A.O. Smith 100166241 Pressure Switch 320734-701 Technicians can usually jump theThe Lochinvar and A. O. Smith 100166241 Pressure Switch is a critical safety component designed for precise combustion air monitoring in high efficiency water heaters and boilers. This SPDT (Single Pole Double Throw) switch is factory calibrated to a . 21" WC (water column) set point, ensuring the inducer fan generates sufficient static pressure before allowing the ignition sequence to proceed. Engineered as a direct OEM replacement part, it replaces