Submittal Sheet

Standard Equipment
• PI Controller
• Outdoor reset with ratios of 0.4 to 3.6
• Warm Weather Shutdown (WWSD)
• Domestic Hot Water Operation (DHW)
• Indicator lights for power, heat call,
DHW call and WWSD
• Automaticboilerdi󰀨erential
• Pump pre-purge, post-purge and
excercise
• Codes for sensor errors
• Venting: built-in draft diverter
• Designcertied/testedbyCSA
International
• Natural or propane gas
• Maximum working pressure:
water 30 P.S.I., ASME rated
• Hydrostatictestpressureatfactory:60P.S.I.
Hydronic
Boilers
JVS Residential Gas-Fired Boiler
Indoor Sizes 50-225 MBTU/h
Submittal Data
Minimum Clearances, inches cm
Size Left + Right Sides, Rear Front Flue Top
50 6 15 4 10 6 15 23 58
75 6 15 4 10 6 15 23 58
100 6 15 4 10 6 15 23 58
125 6 15 4 10 6 15 23 58
160 6 15 4 10 6 15 36 91
225 6 15 4 10 6 15 36 91
• 30 psi ASME pressure relief valve
• Maximumgassupplypressure:Natural
10.5" W.C.; Propane 13" W.C.
• Pressurereliefvalve:capacityinex-
cess of boiler input rating
• MaterialspecicationsperSectionIV,
ASME Code
• Headers: cast iron per ASME require-
ments
• Tubes: copper with integral formed
externalns
• Main burners: aluminized steel
• Airsupply:naturalaspiration
• Altitudes: 0–10,000 ft.
• Spark to pilot ignition
• Electrical: 115V-60Hz-1PH less than 12
Amps 24V transformer mounted and
wired
Minimum
Clearances
from
Adjacent
Construction
MINI-THERM
®
JVS
• Pumprelay:standard
• Vent damper and wire harness
• Blockedventsafetyswitch(B.V.S.S.)
• Flamerolloutsafetyswitch
• Up to 85% AFUE
• 20-YearLimitedWarranty