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The Weil McLain 511-330-218 Pilot Assembly Kit is a critical OEM component designed for intermittent pilot ignition systems in specific residential gas boilers
Minimal Pressure Drop: Engineered with full-flow 3/4" sweat fittings to maintain system efficiency without significantly impacting suction pressure
Is this part compatible with high-altitude furnace installations
which are common failure points in older wiring systems
Lochinvar & A.O. Smith 100208379 Pressure Switch 322838-752 The Weil McLain 511-330-218 PilotThe Lochinvar & A. O. Smith 100208379 Pressure Switch is a critical safety component designed for precise combustion air monitoring in high efficiency water heaters and boilers. Calibrated to a . 95" WC (Water Column) set point, this normally open switch ensures the inducer motor is generating sufficient draft before allowing the ignition sequence to proceed. As a genuine OEM replacement, it maintains the specific pressure differential required to
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