this assembly operates within a 3-6 psi spring range

Lightweight Reliability: At only 0

heat-resistant elastomeric material

allowing for seamless integration with a wide variety of controllers

Laars Heating Systems R2014700 Filter 321042-401 this assembly operates within aThe 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