Boiler Sizing Replacement Guide

SECTION 1

PROCEDURE FOR SIZING HOT WATER BOILERS

STEP 1: COMPLETE A JOB SURVEY FORM

Certain key information is required for each

boiler replacement job in order to calculate the

heat loss, select the proper boiler and determine

the selling price. Figure 1 is a Job Survey Form

(part of a Weil-McLain Boiler Replacement

Worksheet) to aid in recording the required

information. It will serve as a checklist of the

basic data for the existing installation and

a permanent record for your job ﬁle. Boiler

Replacement Worksheets to be used with this

booklet are available through Weil-McLain

distributors and sales representatives.

FIGURE 1: JOB SURVEY FORM

BOILER REPLACEMENT WORKSHEET

JOB SURVEY FORM

CUSTOMER NAME: PHONE:

ADDRESS:

PREPARED BY: DATE:

PRESENT HEATING SYSTEM:

TYPE OF RADIATION:

HEATING MEDIUM: ¨ Hot Water ¨ Steam

FUEL NOW USED: ¨ Natural Gas ¨ Propane ¨ #2 Oil ¨ Electricity

FUEL TO BE USED: ¨ Natural Gas ¨ Propane ¨ #2 Oil ¨ Electricity

IS SYSTEM HEATING SATISFACTORILY? ¨ Yes ¨ No

If no, what is the problem?

How can it be corrected?

RELOCATE BOILER? ¨ Yes ¨ No If yes estimate time Materials

Corrosive Atmosphere?

PRESENT SOURCE OF DOMESTIC WATER: ¨ Tankless Heater ¨ Indirect Tank ¨ Other

WILL NEW BOILER HAVE A WATER HEATER? ¨ Yes ¨ No Type

HOUSE CONSTRUCTION:

GLASS:

WALLS:

CEILING:

SLAB:

HOUSE DIMENSIONS (Use sketch for accuracy):

High Altitude Ft. Elevation

Basement ‘ H x ‘ L x ‘ W = Sq. Ft.

First Floor ‘ H x ‘ L x ‘ W = Sq. Ft.

Second Floor ‘ H x ‘ L x ‘ W = Sq. Ft.

DESIGN TEMPERATURE DIFFERENCE °F

NEW THERMOSTAT(S) REQUIRED ¨ Standard ¨ Programmable