Lennox X6670 Replacement Filter when installed in the appropriate

when installed in the appropriate A-4000 series steel housing

When you are opening up a Lochinvar Copper-Fin II or EnergyRite unit for a heat exchanger teardown

This switch is a standard 1/4" flare high-pressure control

the totally enclosed design helps protect the contacts from oxidation in varying mechanical room conditions

Enhanced System Safety: Provides a redundant thermal failsafe by interrupting the ignition or heating cycle if temperatures exceed the 175°F design limit

Lennox X6670 Replacement Filter when installed in the appropriateThe Lennox X6670 is a high performance MERV 11 replacement filter engineered for the Healthy Climate HCF16 11 and HCF16 10 series. As a veteran grade OEM component, this pleated media filter is essential for contractors maintaining HCC16 28 air cleaner cabinets. It effectively captures 85% of airborne particles down to 3 microns, including VOCs, bioaerosols, and common allergens, without significantly increasing static pressure across the heat