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1. General Information
The Riva Heat Only is a high efficiency, non-condensing, wall mounted gas boiler
which provides central heat. The boiler features a gas valve which modulates the energy
input from 44,000 BTU/h to 108,000 BTU/h. The boiler is shipped fully assembled with the
components listed on page 11. All units are pressure and combustion tested at the factory
prior to shipping.
Key Features:
• Wall mountable - saving valuable floor
space.
• Several flue options available
• Electronic spark ignition
• Safety flow switch - positioned on the
main circuit, which monitors the flow
and protects the main heat exchanger
from thermal shock should there be a
lack of water in the system.
• Frost protection - contains an integral
frost protection system to prevent frost
damage which can occur in areas
susceptible to very cold weather
conditions.
2. Technical Information (M130.30CR)
GENERAL
Height
Width
Depth
Weight
RIVA HEAT ONLY MANUAL - REV B
• Gas valve modulation - the gas input
• Diagnostic information system
CENTRAL HEATING
27.7
in
Maximum working temp.
in
15.7
Temp. Regulation range*
in
12.8
Maximum pressure
79.4
lb
Minimum pressure
Max head loss (at 4.4 GPM)
*At the minimum useful output
• Boiler operation recognition system
- should the boiler not be used for
longer than 24 hours, it then performs
a controlled system test to ensuring
the motorized components within the
boiler do not become inoperable due
to lack of use.
modulates based off central heating
temperature to within ± 2 ºF
equipped with three LED diagnostic
lights for quick error assessment.
185
°F
°F
100-176
psi
30.0
4.35
psi
ft
10
9
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