0" WC (water column) to protect against low-pressure conditions that can cause incomplete combustion or pilot failure

When troubleshooting system failures

The 1/4" sweat (ODF) solid copper connections ensure easy brazing and a leak-free seal

The Rheem-Ruud 68-101807-02 is a professional-grade plastic permanent filter engineered specifically for high-use residential and commercial air handlers

Lennox 34M72 Ambient Kit 320734-701 0" WC (water column) toFor service technicians managing year round cooling demands, the Lennox 34M72 Ambient Kit (Catalog Number LB 101123A) is a critical field installed accessory for PSC condenser fan motor efficiency. This low ambient control kit transitions standard HFC 410A refrigerant systems into performance ready configurations for server rooms and data centers where head pressure maintenance is non negotiable. Engineered to prevent coil freeze ups, the integrated