Grundfos 99358478 Flange Gasket 320735-701 or CGi boiler with ignition

or CGi boiler with ignition failures or roll-out issues

System Efficiency: Maintains proper draft profiles to ensure reliable ignition and complete combustion

Standardized Replacement: Matches the footprint of many legacy Honeywell switching relays

maintaining the HVAC damper control accuracy required in modern facilities

and air handling assemblies where high reliability and smooth rotation are required

Grundfos 99358478 Flange Gasket 320735-701 or CGi boiler with ignitionThe Grundfos 99358478 Flange Gasket is a precision engineered EPDM rubber seal designed specifically for Grundfos UP and UPS series circulator pumps. Engineered for a leak proof interface between the pump housing and GF 15 26 flange connections, these gaskets maintain mechanical integrity under high pressure hydronic conditions. As a standard 2 pack replacement set, they are essential for routine maintenance or new installations of cast iron and