this is an OEM York part

Can the McDonnell & Miller FS7-4WL be used in both vertical and horizontal piping

This part is compatible with select Reznor UDAP and UDAS power-vented gas-fired heaters

Precise Pressure Regulation: Fixed 4" Water Column (WC) output ensures stable burner performance with natural gas

you can manually toggle the switch to the ON position

Bell & Gossett 186835LF Seal Kit R-407C this is an OEM YorkThe Bell & Gossett 186835LF Seal Kit is a critical maintenance component designed specifically for Series 60 inline centrifugal pumps. This lead free (LF) mechanical seal features an EPT (Ethylene Propylene Terpolymer) bellows, making it the standard choice for hydronic heating and cooling systems where resistance to specific chemical additives and high temperatures is required. Utilizing a carbon silicon carbide or carbon ceramic interface, this 1