Lochinvar & A.O. Smith 100173798 Assembly 321894-708 Proper installation ensures consistent flow

Proper installation ensures consistent flow control and pressure regulation across various industrial fluid handling systems

This model features a standard 48-inch lead length

The kit is a complete zoning solution including the control panel

while the U-bolt mounting system simplifies installation on VB-7xxx

the V47AR-1 (identical to the V47AR-1C) provides consistent

Lochinvar & A.O. Smith 100173798 Assembly 321894-708 Proper installation ensures consistent flowThe Lochinvar & A. O. Smith 100173798 Assembly is a critical combustion component engineered specifically for Knight XL boiler models KBN600 through KBN800. This factory spec gas air arm assembly is designed to manage the high precision mixing of fuel and combustion air, supporting the units 94. 6% thermal efficiency and 5: 1 modulation capabilities. As a core part of the boiler's negative regulation (Neg Reg) technology, this assembly ensures the fan