PFG Series 7 Gas-fired Water Boiler — Boiler Manual

Section III: Replacement Parts

The boiler contains ceramic fiber and fiberglass materials. Use care when handling these materials, per instructions on page 15 of this manual. Failure to comply could result in severe personal injury.

To avoid personal injury, before replacing any parts on the boiler:

1. Turn off power.

. Shut off gas supply. 3. Allow boiler to cool.

Item

Description

Part Number

1

Draft hood:

PFG-5 (7” x 7” dia x 24.45”)

450-021-200

 

 

PFG-6 (8” x 8” dia x 27.80”)

450-021-201

 

 

PFG-7 (9” x 9” dia x 31.05”)

450-021-202

 

 

PFG-8 (9” x 9” dia x 36.55”)

450-021-205

2

Collector hood:

PFG-5

450-014-819

 

 

PFG-6

450-014-820

 

 

PFG-7

450-014-821

 

 

PFG-8

450-014-822

3

Right hand end section, 51113

 

312-804-405

4

Intermediate section, 51125

 

312-804-416

5

Left hand end section, 51113

 

312-804-405

NS

Section replacement kit (one per joint; 4 seals, 4 ball bearings, and sealant)

386-700-856

6

Burner, main

 

512-200-022

NS

Burner, main with pilot bracket

 

512-200-023

7

Right hand/left hand base rail

 

452-800-655

8

Base front panel:

PFG-5

452-800-500

 

 

PFG-6

452-800-501

 

 

PFG-7

452-800-502

 

 

PFG-8

452-800-503

9

Front base insulation:

PFG-5

591-222-020

 

 

PFG-6

591-222-021

 

 

PFG-7

591-222-022

 

 

PFG-8

591-222-025

10

Base access panel:

PFG-5

452-800-540

 

 

PFG-6

452-800-541

 

 

PFG-7

452-800-542

 

 

PFG-8

452-800-543

11

Manifold:

PFG-5

591-125-820

 

 

PFG-6

591-125-821

 

 

PFG-7

591-125-822

 

 

PFG-8

591-125-823

12

Base back panel:

PFG-5

452-800-580

 

 

PFG-6

452-800-581

 

 

PFG-7

452-800-582

 

 

PFG-8

452-800-583

13

Back base insulation:

PFG-5

591-222-030

 

 

PFG-6

591-222-031

 

 

PFG-7

591-222-032

 

 

PFG-8

591-222-033

14

Tie rod without nut (2 per boiler):

PFG-5 ⁵⁄”-11 UNC x 15”

560-134-506

 

 

PFG-6 ⁵⁄”-11 UNC x 18”

560-134-507

 

 

PFG-7 ⁵⁄”-11 UNC x 21”

560-134-508

 

 

PFG-8 ⁵⁄”-11 UNC x 24”

560-134-509

15

Flue baffle:

PFG-5

452-800-449

 

 

PFG-6

452-800-450

 

 

PFG-7

452-800-451

 

 

PFG-8

452-800-452

16

Flue baffle insulation:

PFG-5

591-222-095

 

 

PFG-6

591-222-096

 

 

PFG-7

591-222-097

 

 

PFG-8

591-222-098

17

Spill switch, PFG-5 only

 

510-300-014

18

Rollout thermal fuse element, PFG-5 only

 

512-050-230

19

Radiation shield (2 per joint)

 

460-003-700

20

Section alignment ball bearings, 1/4” diameter (4 per joint)

562-930-250

 

Ball bearing kit (4 bearings)

 

386-700-856

NS

Main burner orifice (natural gas) #37 drill

 

560-529-055

NS

Main burner orifice (propane gas) 1.65 mm

 

560-529-056

20

Part Number 550-110-641/0605

Page 20
Image 20
Weil-McLain PFG-7 manual Section III Replacement Parts, Description Part Number