Grundfos 00519850 Valve Set 319847-401 Dual Stage Control: Provides two-stage

Dual Stage Control: Provides two-stage gas furnace valve modulation for enhanced fuel efficiency and consistent heat output

it is specifically configured for post-mounting applications or integration into custom linkage assemblies

The control will then only fire the burner on a call for heat from the thermostat

Can I reuse an old metal gasket if it looks intact

OEM Compatibility: Replaces older part numbers 626456 and 300609008 across Nordyne and Nortek brand families

Grundfos 00519850 Valve Set 319847-401 Dual Stage Control: Provides two-stageThe Grundfos 00519850 Valve Set is a professional grade 1 2 inch bronze isolation valve kit designed for seamless integration with Grundfos UP and UPS series circulator pumps. Engineered for high temperature hydronic heating and potable water systems, these union isolation valves allow for rapid pump servicing or replacement without the need to drain the entire loop. The sweat connection design provides a secure, leak free interface, while the heavy