Resideo SV173 Air Vent 322056-301 Is the L190 SOX insert

Is the L190 SOX insert interchangeable with other materials like Urethane or Hytrel

and Comfortmaker gas furnaces

this 2-pole fan relay utilizes a 110/120V AC coil to effectively manage high-voltage circuits in air handlers and furnaces

Is a higher voltage actuator compatible with this body

Resideo SV173 Air Vent 322056-301 Is the L190 SOX insertWhen you're dealing with air binding in high efficiency hydronic systems, the Resideo SV173 Air Vent provides the high venting capacity required to maintain optimal heat transfer. Designed as a 3 8" air vent with check vent, this unit integrates seamlessly with SuperVent PV Series products to eliminate the frequent need for manual bleeding. Built from heavy duty brass, the SV173 automatic air vent is rated for a maximum operating pressure of 150 psi