Regency U35-LP1 User Manual

U35 FPI Direct Vent Gas Insert

1)  Attach the valve to the valve bracket with 

the 4 (m5x8 metric) screws provided.

2)  Reconnect the "gas out" fl are  fi tting  with 

an 11/16" wrench.

3)  Reconnect the "gas out" fl are nut with a 

13/16" wrench.

4)  Install piezo ignitor push button assembly 

and reconnect wire.

5)  Reconnect the quick drop out thermocouple 

nut with a 9mm wrench.

6)  Reconnect the pilot tube nut with a 7/16" 

wrench.

7)  Scrape off the old gasket from the fl oor 

of the fi rebox and from the valve access 
plate.

8)  Install a new gasket and reinstall the valve 

assembly.

9)  Reinstall the 10 hold down screws.

10) Hook up the 2 TP and 2 TH wires to the 

appropriate connections on the valve.

11) Reinstall the Front Grate.

12) Attach  the burner cap to the burner tube 

and secure with the screw on the back of 
the cap.

13) Install Burner/Rear Log Support assembly 

and secure with the 8 screws.

14) Hook up the gas line and check for gas 

leaks with a soap and water solution or a 
gas leak detector. (Do not use open fl ame 
for leak testing.)

15) Fire up the unit temporarily

16) Check the manifold pressure.

17) Reinstall the logs and brick panels as 

needed.

18) Close the door and replace the louvers.

19) Fire up the unit again and check for proper 

fl ame appearance and glow on logs.

12) Undo the pilot tube from the valve with a 
 7/16" 

wrench.

13) Undo the quick drop out thermocouple nut 

on the valve with a 9mm (metric) wrench.

14) Remove the Piezo ignitor wire and push 

button assembly.  

15) Undo the "gas out" fl are nut with a 13/16" 

wrench.

16) Undo the "gas out" fl are fi tting with an 11/16" 

wrench.

17) Remove the 4 Phillips head screws from 

the sides of the valve bracket and remove 
valve.

Hint:     If you are using black pipe, ensure that 

there is a union by the valve, otherwise 
removal will be almost impossible.

8)  Remove the Front Grate by removing the 2 

screws.

9)  Disconnect the inlet gas line.

10) Disconnect the 2 TP wires and the 2 TH 

wires from the valve.

11) Remove the 10 Phillips head screws 

securing the valve access plate in place 
and then lift the entire assembly out.