Skip to content
FREE USPS GROUND ADVANTAGE SHIPPING on items OVER $75.00 (UNDER 1 LB.) based on the weight per order. Can’t find the part you’re looking for? Walk in, call, or text us at 970-518-3085! We’re happy to help!
FREE USPS GROUND ADVANTAGE SHIPPING on items OVER $75.00 (UNDER 1 LB.) based on the weight per order. Can’t find the part you’re looking for? Walk in, call, or text us at 970-518-3085! We’re happy to help!
Expansion Tank Cap with Tether - Johns Custom Kits - JCH-ETC-CAP

Expansion Tank Cap with Tether - Johns Custom Kits - JCH-ETC-CAP

by HeatMyRV
$23.06 - $23.06
$23.06
$23.06 - $23.06
$23.06

The Expansion Tank Cap with Tether is a direct replacement part designed for use in Aqua-Hot & Hydro-Hot hydronic heating systems to provide a secure closure at the tank fill opening. The attached tether helps keep the cap connected to the tank during inspection, filling, and routine service. 

Important Information
  • Expansion Tank Replacement Cap – Replaces a missing, damaged, cracked, or worn expansion tank cap.
  • Attached Tether – Helps prevent the cap from being dropped, misplaced, or lost during system service.
  • Genuine OEM Replacement – Designed for perfect compatibility and optimal performance in Aqua-Hot & Hydro-Hot heating systems.

Compatible Models

Expansion Tank
3 Qt Expansion Tank 5 Qt Expansion Tank

Help Me Find My Model Number

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare