specifically models such as CSMKS7NKU

heat-resistant elastomeric material

Lightweight Reliability: At only 0

Optimized Thermal Efficiency: Delivers a consistent 7

this assembly operates within a 3-6 psi spring range

Laars Heating Systems R2014700 Filter 321042-401 specifically models such as CSMKS7NKUThe Laars Heating Systems R2014700 is an essential combustion air filter engineered specifically for high efficiency hydronic boilers and volume water heaters. As an OEM replacement filter, it maintains the critical pressure drop parameters required for optimal blower performance and fuel to air ratios. This Laars boiler part is designed to capture airborne particulates and debris before they reach the burner assembly, preventing fouling of the heat