
Taco, Inc. will r pair or r plac without charg
(at th company’s option) any product or part
which is prov n d f ctiv und r normal us
within on (1) y ar from th dat of start-up or
on (1) y ar and six (6) months from dat of
shipm nt (which v r occurs first).
In ord r to obtain s rvic und r this warranty, it
is th r sponsibility of th purchas r to prompt-
ly notify th local Taco stocking distributor or
Taco in writing and promptly d liv r th subj ct
product or part, d liv ry pr paid, to th stocking
distributor. For assistanc on warranty r turns,
th purchas r may ith r contact th local Taco
stocking distributor or Taco. If th subj ct prod-
uct or part contains no d f ct as cov r d in this
warranty, th purchas r will b bill d for parts
and labor charg s in ff ct at tim of factory
xamination and r pair.
Any Taco product or part not install d or op rat-
d in conformity with Taco instructions or which
has b n subj ct to misus , misapplication, th
addition of p trol um-bas d fluids or c rtain
ch mical additiv s to th syst ms, or oth r
abus , will not b cov r d by this warranty.
If in doubt as to wh th r a particular substanc
is suitabl for us with a Taco product or part, or
for any application r strictions, consult th
applicabl Taco instruction sh ts or contact
Taco at (401-942-8000).
Taco r s rv s th right to provid r plac m nt
products and parts which ar substantially simi-
lar in d sign and functionally quival nt to th
d f ctiv product or part. Taco r s rv s th right
to mak chang s in d tails of d sign, construc-
tion, or arrang m nt of mat rials of its products
without notification.
TACO OFFERS THIS WARRANTY IN LIEU OF
ALL OTHER EXPRESS WARRANTIES. ANY
WARRANTY IMPLIED BY LAW INCLUDING
WARRANTIES OF MERCHANTABILITY OR
FITNESS IS IN EFFECT ONLY FOR THE DURA-
TION OF THE EXPRESS WARRANTY SET
FORTH IN THE FIRST PARAGRAPH ABOVE.
THE ABOVE WARRANTIES ARE IN LIEU OF
ALL OTHER WARRANTIES, EXPRESS OR
STATUTORY, OR ANY OTHER WARRANTY
OBLIGATION ON THE PART OF TACO.
TACO WILL NOT BE LIABLE FOR ANY SPE-
CIAL, INCIDENTAL, INDIRECT OR CONSE-
QUENTIAL DAMAGES RESULTING FROM THE
USE OF ITS PRODUCTS OR ANY INCIDENTAL
COSTS OF REMOVING OR REPLACING
DEFECTIVE PRODUCTS.
This warranty giv s th purchas r sp cific
rights, and th purchas r may hav oth r rights
which vary from stat to stat . Som stat s do
not allow limitations on how long an impli d
warranty lasts or on th xclusion of incid ntal
or cons qu ntial damag s, so th s limitations
or xclusions may not apply to you.
LIMITED WARRANTY STATEMENT
TACO, INC., 1160 Cranston Str t, Cranston, RI 02920 T l phon : (401) 942-8000 FAX: (401) 942-2360.
TACO (Canada), Ltd., 8450 Lawson Road, Unit #3, Milton, Ontario L9T 0J8. T l phon : 905/564-9422. FAX: 905/564-9436.
Visit our web site at: http://www.taco-hvac.com
Print d in USA
Copyright 2013
TACO, Inc.
O-RING/PISTON SUB-ASSEMBLY REPLACEMENT:
1. Isolat th valv from th wat r supply.
2. Unscr w th union nuts and r mov th valv body from th syst m. Removing the valve from the piping system
is not required but may make replacement easier.
3. R mov th gr n cap from th valv .
4. S cur th valv body (using th flats on th body) and unscr w th brass cap to r mov th int rnals of th valv .
5. R mov th piston ass mbly out of th top of th valv . If n c ssary, push th piston ass mbly from th outl t port
of th valv .
6. Using a cl an cloth g ntly wip out th valv body paying particular att ntion to th o-ring half way down th insid
of th valv body.
7. R mov th o-ring from th cap. Lightly gr as th n w cap o-ring and r -gr as th o-ring half way down th insid
of th valv with th gr as pack t provid d.
8. Ass mbl in th r v rs ord r.
9. Wh n r -fitting th brass cap do not ov r tight n, as this is an o-ring s al.
10. If r mov d, r install th valv into th piping syst m and s t th outl t mix t mp ratur as indicat d abov in
SETTING THE OUTLET TEMPERATURE.