identical replacement for models RLV2006 and RLV2006K

Standardized Mounting: Features a footprint designed for quick installation in standard HVAC electrical panels

The adjustable differential allows for precise cycling

providing rapid shutdown in the event of flame loss

supplying constant main-air pressure to the pilot mechanism even when upstream controller output shifts

Lennox X4137 Filter mario identical replacement for models RLV2006The Lennox X4137 MERV 11 Carbon Pre Filter is a critical component for maintaining peak performance in PureAir PCO14 12 air purification systems. Engineered to handle high velocity airflow while minimizing pressure drop, this 14x25x21 filter serves as the primary stage of filtration, shielding the PCO catalyst and UV lamps from heavy particulate matter. The integrated activated carbon layer provides immediate VOC reduction and odor mitigation,