Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Water Thermo Valve

1. Remove thermo valve.

2. Place thermo valve in a container of water with a thermometer.

3. Gradually heat water while observing temperature.

4. Apply air pressure to thermo valve. Air should flow when valve opens at 115°F.