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

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

Can the internal diaphragm be replaced if it fails

typically 70% of the A-AB flow

Bell & Gossett 186835LF Seal Kit R-407C Precise Pressure Regulation: Fixed 4"The 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