Symmons Maxline 8210CK Manual
Maxline®
Model Numbers Feature Highlights
8210CK
Thermostatic Mixing Valve
Operation & Maintenance Manual
☐8210CK Thermostatic Mixing Valve
Flowrates
Limited Lifetime - to the original end purchaser in
consumer/residential installations.
5 Years - for industrial/commercial installations.
Refer to www.symmons.com/warranty for complete
warranty information.
Warranty
Note: Append appropriate sufx to model number.
Options/Modifications
☐BWall cabinet in white enamel finish
including wall mounting bracket
☐D3/8" compression fitting to allow water
bypass for hot and cold supply faucet
☐NI Rough Nickel finish
☐TStainless steel cabinet in place of
standard white cabinet
• 3/8" compression connections
• Integral checks
• Stainless steel strainers for protection against
suspended particles in supply lines
• Thermal cartridge
• Vandal resistant
• Minimum ow rate 0.25 gpm (0.95L/min)
Inlet water temperature:
HOT inlet range 120°F - 180°F (48.9°C - 82.2°C)
COLD inlet range 39°F - 80°F (3.9°C - 26.7°C)
Temperature control range:
59°F - 115°F (15°C - 46°C)
Minimum supply pressure: 20 psi (138 kPa)
Maximum supply pressure: 125 psi (862 kPa)
Inlet to outlet temperature differential: 10°F (5.55°C)
*According to US Senate bill S.3874, the term "lead free" is
dened as follows: "not more than a weighted average of 0.25
percent lead when used with respect to the wetted surfaces of
pipes, pipe ttings, plumbing ttings, and xtures."
Compliance
-ASME A112.18.1/CSA B125.1
-ASSE 1017/CSA B125.3
-ASSE 1070/CSA B125.3
-NSF/ANSI 372
-CSA B125.3
Table 1: Flow Rate - gpm (L/min)
Valve Model Size
Connection
Min. Flow
Rate
Pressure Differential - psi (kPa)
5 psi
(34 kPa)
10 psi
(69 kPa)
20 psi
(138 kPa)
25 psi
(172 kPa)
30 psi
(207 kPa)
45 psi
(310 kPa)
8210CK 3/8"
(10 mm)
0.25 gpm
(0.95 L/min)
0.5 gpm
(1.9 L/min)
1.0 gpm
(3.8 L/min)
1.9 gpm
(7.2 L/min)
2.4 gpm
(9.0 L/min)
2.9 gpm
(11.0 L/min)
3.5 gpm
(13.2 L/min)
2
Dimensions
Replacement Parts 8210CK********
Item Description Part No.
A Safety cap TMX302
B Cartridge TMX303
CWall mount
hanger bracket TMX304
Note: Dimensions are subject to change without notice.
Measurements 8210CK
A 3-1/2", 89 mm
B 4-1/8", 104 mm
C 1-7/16", 37 mm
D 1-3/4", 45 mm
E 12-1/4" , 311 mm
F 10" , 254 mm
G 1-1/8" , 29 mm
H 10" , 254 mm
I 1-1/8", 29 mm
J 12-1/4" , 311 mm
K 4" , 102 mm
B
A
C
D
EE
FF
JJ
HH
GG
KK
II
Wall cabinet (optional)Wall cabinet (optional)
A
C
B
Parts Breakdown
3
Installation
Sizing Valve
For assistance in sizing and selection of the proper
valve, consult your local representative or Symmons
Customer Service.
Installing Valve
1) Flush piping thoroughly prior to installing.
2) Install valve so as to allow clearance for replacing
cartridge. Valve can be installed in any orientation.
VALVE
CLEARANCE
Safety Cap
Retaining Nut
Cartridge
Valve Body
3-1/2”
(89 mm)
3) Connect valve input/ouput to supply ports.
a. Hot port marked (H)
b. Cold port marked (C)
c. Mixed output port marked (M)
Setting Valve Temperature
1) Turn hot and cold water supply on.
2) Open faucet to allow hot water to ow for a
minimum of one minute. For two handle faucets
turn on hot water only. For single handle faucets
turn on to the hot position.
3) Remove screw and cap.
4) Place thermometer in the outlet stream. Measure
and accurately set temperature. Inlet temperature
must be ± 10°F (5.55°C) of desired output.
5) To increase temperature turn stem counter-clock-
wise. To decrease temperature turn stem clock-
wise.
For single temperature applications adjust valve
outlet temperature with full ow of tempered
water from tting.
For dual temperature applications open
approximately 50% of all faucets to their full hot
position to ensure proper operating temperature
at peak demand.
6) Replace cap and screw once desired tempurature
has been met
Note: Once the safety cap and screw have been
installed the outlet temperature cannot be changed
without repeating steps 2-6.
Warning: Water temperatures in excess of
110°F (43°C) may cause scalding, or
severe injury!
4
HOT
WATER
TANK,
HEATER,
ETC.
Main hot supply Cold supply
Lavatory
faucet Kitchen
faucet
valve
(V1) valve
(V2)
MAXLINE
valve
MAXLINE
valve
Tempered
hot supply
Tempered
hot supply
Cold supply
Single supply faucets Two supply faucet
Tempered hot supply
High temperature hot supply
(if required for laundry, etc.)
valve
Thermometer
recommended
HOT
WATER
TANK,
HEATER,
ETC.
MAXLINE
valve
Installation
Point of Use Diagram
Multiple Fixtures Diagram
5
Operation & Maintenance
Initial 30 Day Inspection
Inspect cartridge within 30 days of initial operation.
If inspection determines that your water system is
causing deposits and foreign matter to build-up,
then adjust cartridge maintenance accordingly.
Cartridge Replacement
1) Shut off hot and cold water supplies to valve.
2) Remove screw and cap. This will expose the
cartridge stem and cartridge retaining nut.
3) Remove retaining nut by turning counter-clockwise
with adjustable wrench. Grasp cartridge with
pliers and remove from body by pulling straight
out. A slight rocking rotation may be required to
loosen while removing.
4) Lubricate cartridge o-rings with a small amount of
silicone lubricant prior to reinstalling. Insert replace
ment cartridge into valve body, applying enough
force to ensure cartridge is fully seated. Install
retaining nut back onto valve body.
5) Refer to “Setting Valve Temperature” section (pg.3)
to properly set valve to desired temperature.
Seasonal Use
If valve is used seasonally, such as in schools or
campgrounds, then perform the following steps to
avoid damage caused by freezing water when valves
are not in use:
1) Shut off hot and cold water supplies.
2) Remove valve cartridge and drain all water.
3) Drain water from the supply lines and valve body.
Service Instructions
Cleaning screens & check valves:
1) Shut off hot and cold water supplies.
2) To clean screens leave cap installed. Remove
retaining nut and remove cartridge. Clean debris
from screens and body. Apply silicone lubricant to
O-rings and reinstall.
3) To Replace the check valves, remove the supply
lines and remove check valves from center body.
Reinstall new check valves. Reconnect supply
lines.
Symmons Industries, Inc. ■31 Brooks Drive ■Braintree, MA 02184 ■Phone: (800) 796-6667 ■ Fax: (800) 961-9621
Copyright © 2021 Symmons Industries, Inc. ■www.symmons.com ■[email protected] ■ZV-3425 REV B ■ 011421
Care and Cleaning
Trouble Shooting Chart
Problem Cause Solution
Water ow is less than normal. Screen in cartridge is dirty or
clogged.
1) Remove cartridge and clean un-
der running water.
2) Remove cartridge and clean in
household vinegar or replace by
ordering cartridge replacement kit.
Water continues to run colder than
original temperature setting.
Check valve is not completely
sealed allowing cold water to mix
with hot.
Remove screen/check valve and
clean under running water.
Valve is leaking around the cap
retaining nut area. Water leaking from o-ring seal. Replace cartridge by ordering
cartridge replacement kit.
Tempered hot water temperature is
not hot enough.
Hot water supply into valve is not
10°F (5.55°C) above desired set
point temperature. Temperature
setting it to low.
Increase hot water supply
temperature into valve. Reset
temperature according to "Setting
valve temperature" instructions.
Remove cartridge and clean valve body in household vinegar to remove corrosive mineral build up. Rinse
under running hot water to ensure valve is free of foreign debris.
WARNING: This product can expose you to chemicals including lead, which is known to the state of California to
cause cancer, birth defects, or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.
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