as a 2-wire 24V AC component

this HVAC control board provides a direct-fit solution that restores factory-standard logic to the unit

385 alpha) sensing element

For low-pressure steam applications under 15 psig

Common Questions What are the timing specs for this B1256558 sequencer

Grundfos 98434904 Shaft Seal Kit 320735-701 as a 2-wire 24V ACIdentify and resolve pump leakage with the Grundfos 98434904 Shaft Seal Kit, a critical service component designed for high performance end suction and vertical in line pumps. This OEM Grundfos pump repair kit features the BQQE mechanical seal configuration, utilizing silicon carbide (SiC SiC) seal faces and EPDM elastomers for superior chemical resistance and thermal stability. Engineered for 28 mm shafts, it is the standard replacement for Grundfos