Specifications

Suggested Specifications - SMART Series
2
3. The thermostat shall open a circuit contact when
the temperature rises above the set point and
shall close when the temperature falls to a tem-
perature no more than 9°F below the set point.
4. The thermostat shall be adjustable from 90º F to
a maximum temperature setting of 164°F for
residential and 194°F for commercial.
5. The thermostat shall be mounted on a remov-
able cover plate and wired to a removable snap-
set connector to allow easy installation and ser-
vicing. All field wiring to the thermostat / snap-
set connector shall be 24V.
C. Field Installation
1. The water heater shall have a field installed
Temperature / Pressure relief valve with a minimum
element length of 8 inches (extended element).
2. The T&P relief valve shall bear the ASME rat-
ing, have a relief pressure of 150 psi and a relief
temperature of 210°F.
D. Manuals
1. The water heater(s) shall be provided with com-
plete instruction manuals, including:
a) Operational and Maintenance Manual
Warranty
A. The water heater shall carry a limited lifetime war-
ranty when installed in a residential application.
B. The water heater shall carry a six (6) year non-pro-
rated warranty when installed in a commercial
application.
Code Requirement
A. The Indirect Fired Water Heater(s) shall be recog-
nized as an ASME Equal by the Commonwealth of
Massachusetts Plumbing Board.
B. The Indirect Fired Water Heater(s) shall comply
with the National Standard Plumbing Code provid-
ed that:
1. The boiler (system heating) water (including
additives) is practically non-toxic, having toxic-
ity rating or Class of 1 as listed in Clinical
Toxicology of Commercial Products and
2. Boiler water pressure is limited to a maximum
30 psig by an approved relief valve.
C. The Indirect Fired Water Heater(s) shall comply
with the Uniform Plumbing Code Paragraph L3.2
and L3.3 provided that:
1. The heat transfer medium is potable water or
contains only substances which are recognized
as safe by the US Food and Drug
Administration.
2. The pressure of the heat transfer medium is
maintained less than the normal minimum oper-
ating pressure of the potable water system.
3. The equipment is permanently labeled to indicate
that only additives recognized as safe by the FDA
shall be used in the heat transfer medium.
Other heat exchangers designs may be permitted where
approved by the Administrative Authority.
D. The installer shall be responsible to ensure that the
installation of the Indirect Fired Water Heater is in
compliance with all applicable local, state and
national codes.