Product Overview

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1) Safe, reliable operation of this boiler depends upon installation by a professional heating contractor in strict accordance
with this manual and the requirements of the authority having jurisdiction.
• In the absence of an authority having jurisdiction, installation must be in accordance with this manual and the
National Fuel Gas Code, ANSI Z223.1/NFPA 54.
• Where required by the authority having jurisdiction, this installation must conform to the Standard for Controls and
Safety Devices for Automatically Fired Boilers (ANSI/ASME CSD-1).
2) Make sure that a properly sized chimney is available which is in good condition. Consult the authority having
jurisdiction, Part VI of this manual, and the National Fuel Gas Code for additional information on venting requirements.
3) Make sure that the boiler is correctly sized. Use an industry accepted sizing method such as the I=B=R Installation
Guide for Residential Hydronic Heating Systems (Pub. #200) and I=B=R Heat Loss Calculation Guide (Pub. #H21 or
#H22).
4)  Makesurethattheboilerreceivedisconguredforthecorrectgas(naturalorLP).
Warning
This Product Must be Installed By A Licensed Plumber Or Gas Fitter
when Installed Within The Commonwealth Of Massachusetts
IV. Locating the Boiler
1) Clearances:
•  Observe the minimum clearances shown below. These clearances apply to all combustible construction, as well as
noncombustible walls, ceilings and doors. Also see Figure 2.
Front – 18”
Right Side – 18”
Left Side – 6”
Rear – 6”
Top – 17”
•  A 24” service clearance from the jacket is recommended on the left, right, and front of the boiler. These clearances
maybereducedtothoseshowninFigure2,howeverservicingtheboilerwillbecomeincreasinglydifcultasthese
service clearances are reduced.
•  If the right side 24” service clearance is reduced, adequate clearance must be maintained to easily read and access the
controls. Alternatively, access may be provided using a door
2) This boiler may be installed directly over a non-carpetedcombustibleoor.
3) The boiler must be installed on a hard level surface.
I. Pre-Installation