Lochinvar & A.O. Smith 100166256 Pressure Switch Els PW 17895 The additional digits are often

The additional digits are often used in Lennox’s internal inventory systems

Check the original part number stamped on the blade or your unit's data plate

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Can I use this kit for both VT and VS series valve bodies

making it a versatile solution for monitoring positive

Lochinvar & A.O. Smith 100166256 Pressure Switch Els PW 17895 The additional digits are oftenThe Lochinvar & A. O. Smith 100166256 Pressure Switch is a critical safety and operational component designed for high performance hydronic systems and commercial water heaters. This SPDT Pressure Switch (Single Pole Double Throw) functions as a direct OEM replacement part for the now obsolete PRS3406, PRS2406, and 100166157 models. Engineered with a precision 1 4" barb connection, it monitors system pressure within a 1 5 PSI range, ensuring the