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known for its open-enclosure design that facilitates efficient heat dissipation and clear visual inspection of the double-break contacts
dust-tight switch housing protects internal contacts from oil
this 3/4" FNPT x 3/4" FNPT valve is factory-set at 30 PSI to prevent over-pressurization in demanding residential and commercial applications
which is essential for maintaining efficient oil return in low-temperature applications
Lochinvar & A.O. Smith 100208407 Switch Freon known for its open-enclosure designThe Lochinvar & A. O. Smith 100208407 Blocked Flue Switch is a critical safety component designed for high efficiency condensing boilers and water heaters. As a factory authorized replacement for PRS2708 and PRS2708K, this blocked flue pressure switch is calibrated to a specific 55" WC set point to detect dangerous venting restrictions. When flue gases cannot exit the heat exchanger due to obstructions like bird nests, ice, or excessive condensate
US$ 195000.00
US$ 22.99
US$ 195000.00
US$ 1797.50