Unit B has newer forced air furnace, Unit A has an old gravity style furnace, still functional.

Check it out from the CNBC article below: "Expedia and Booking Holdings both saw a roughly 90% drop in gross bookings in the second quarter, reflecting just how difficult the past three months have been for the travel and hospitality sector.While the outlook remains uncertain, there is one segment of the travel market on fire: vacation rentals.With the center of gravity shifting from cities to suburbs, demand for homes close to beaches, recreational parks and trails continues to grow across the nation."

Settings | Deactivate Version 5.2.1 | By Takayuki Miyoshi | View details Select Contact Form DB Contact Form DB Save form submissions to the database from Contact Form 7, Fast Secure Contact Form, JetPack Contact Form and Gravity Forms.

And due to the uncertainity, as to when said cures will eventuate, say in 2021, or even in 2022; this is why I have no certainty for when the full gravity & effect of the 2020 U.S.

For both Excel and CRM.BackupI use Cobian Backup Gravity for backup.

The Domain is the "population center of gravity" for the Austin metro. 

Part of my property is all gravity and another part uses a grinder/sump pump to pump it up into the tank.

Be sure to use a netting or rods to keep gravity from dropping the batts to the ground.

Could this bit of gravity backup potentially cause the hot water heater to explode?

If it is sewer, is it force main or gravity line and where is it tying to (approximate distance)?