Vulcan-Hart GRS25 Service Manual page 31

The next several steps may require the removal of the Discard drain tubes on fryers with filtering systems.
If this applies to the fryer being serviced refer to steps 1-7 under Removal of Filter Discard Tubes.
6. With a 3/4" wrench remove the gas line compression elbow fitting. (Fig. 38)
7. With channel locks disconnect union in gas line leading from combo valve to the burner manifold and lift
valve out of the fryer. (Fig. 39)
Union Shown from
Union Shown from
Back of Fryer Back Of Fryer
Fig. 38
Fig. 39
31