Hydro-Temp VVV - Page 12

Installation Manual 5.1.2
12
1” Horizontal “swing”
check valve
1” Brass nipple
1” Brass nipple
1” Copper male
adapter
1” Brass “T”
Standard hose fitting / Boiler drain A
with ¾” MPT
¾” x 1” brass
threaded bushing
Standard hose fitting / Boiler
drain B with ¾” MPT
1” Full Port Ball Valve
Valve B
¾” Dielectric nipple
(connects to
bottom of water
heater after boiler
drain is removed)
1” Copper male
adapter
3/4” Brass “T”
1” Brass nipple
¾” x 1” brass
threaded bushing
Figure 5.4
Figure 5.5
UPPER DHW Plumbing Fittings (connecting into cold water line on the top of the tank)
*Important: 1.) All fittings on the cold water line where the plumbing (below) connects to the
tanks cold water line must be either copper, brass, bronze, or steel from 12” above the “T” to the
tank.
2.) No other water lines can be connected between the “T” and the tank.
LOWER DHW Plumbing Fittings (connecting into bottom of the tank)
*Important: Most water heaters have ¾” fittings. It is important to increase pipe sizing to 1”
(3-6 Ton Priority water heating units) in as short a distance as possible in order to assure proper
water flow.
Refer to figure 5.2 and 5.3 for plumbing details
Refer to figure 5.2 and 5.3 for plumbing details
1” Copper male
adapter (“T’s”
into cold water
line directly
above tank)
1” Full Port Ball Valve
Valve A