Heater to firewall

[Leatherback 57]

I have a 29 leatherback with an Autolite heater. What was used between inlet and manifold to seal?

 

[Jwilli]

Instructions that came with a repop heater that I installed showed a space left open.

 

[CarlG]

Guys in our club that have them use a short piece of SCAT hose.

 

[henry's 31]

I have seen it both ways. Many people place a section of a pre-heater hose. I even saw someone use a section of a soda can. I do agree that it was ment to be left open