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44SAA · 11-16-2022, 08:49 AM

Howdy-
Can anyone ID this port on the firewall and it’s function? The hose from it connects to the TVS. Installing new thermostat housing and wondering if I can delete the TVS.
Thank you

11-16-2022, 08:49 AM	#1
44SAA Registered User Join Date: Apr 2017 Location: Fort Worth Posts: 111	Thermostat TVS Howdy- Can anyone ID this port on the firewall and it’s function? The hose from it connects to the TVS. Installing new thermostat housing and wondering if I can delete the TVS. Thank you Attached Images Last edited by 44SAA; 11-16-2022 at 10:04 AM.