GOLD CGa Gas-Fired Water Boiler — Boiler Manual

12b Replacement parts — section assembly

Item

Description

 

Weil-McLain

number

 

 

 

part number

1

End section, left hand, 51124

311-103-830

 

 

 

 

2

End section, right hand, 51128

311-103-821

3

Intermediate section, 51125

311-103-818

 

 

 

 

 

not

Replacement section

 

CGa-25 & CGa-3

321-114-345

shown

assembly

 

CGa-4

321-114-346

 

 

 

CGa-5

321-114-347

 

 

 

CGa-6

321-114-348

 

 

 

CGa-7

321-114-349

 

 

 

CGa-8

321-114-350

not

Section replacement kit,

includes seals and

381-354-527

shown

sealant for 1 joint

 

 

 

 

 

 

 

4

Tie rod, " without nut

 

CGa-25 & CGa-3

560-234-500

 

(3 per boiler):

 

CGa-4

560-234-501

 

 

 

CGa-5

560-234-502

 

 

 

CGa-6

560-234-503

 

 

 

CGa-7 & CGa-8

560-234-504

5

Nut, " (2 per tie rod)

 

 

561-928-235

6

Washer, " (1 per tie rod)

 

562-248-684

7

Radiation plate (1 per joint)

460-003-700

 

 

 

 

 

8

Collector hood

 

CGa-25

381-354-625

 

 

 

CGa-3

381-354-626

 

 

 

CGa-4

381-354-627

 

 

 

CGa-5

381-354-628

 

 

 

CGa-6

381-354-629

 

 

 

CGa-7

381-354-630

 

 

 

CGa-8

381-354-631

 

 

 

 

 

Item

Description

 

Weil-McLain

number

 

 

part number

9

High limit, 30°

Honeywell

510-312-250

 

differential, with well

L4080D1036

 

 

 

White-Rodgers

 

 

 

11B81-3

 

 

 

 

 

10

Draft hood

CGa-25

450-021-240

 

 

CGa-3

450-021-241

 

 

CGa-4

450-021-242

 

 

CGa-5

450-021-243

 

 

CGa-6

450-021-244

 

 

CGa-7

450-021-245

 

 

CGa-8

450-021-246

11

Spill switch (210°F)

CGa-25

510-300-013

 

Spill switch (240°F)

CGa-3 through -8

510-300-014

 

 

 

 

12

Vent damper

4"

381-800-474

 

 

5"

381-800-475

 

 

6"

381-800-476

 

 

7"

381-800-477

13

Vent damper actuator

Effikal RVGP

510-512-337

 

 

Johnson M35BE-1C

510-312-255

 

 

 

 

14

Vent damper harness

 

591-391-795

Part Number 550-101-009/0107

61

Page 61
Image 61
Weil-McLain CGA25SPDN manual 12b Replacement parts section assembly, Part number

CGA25SPDN specifications

The Weil-McLain CGA25SPDN is a high-efficiency gas-fired boiler designed to deliver dependable heating performance while maintaining a strong focus on energy savings and user-friendly operation. Ideal for residential applications, this boiler is engineered to provide consistent warmth and comfort in homes with various heating demands.

One of the main features of the CGA25SPDN is its durable construction. Built with high-quality materials, this boiler is designed to withstand the rigors of frequent operation while maximizing longevity. It features an advanced cast iron heat exchanger that efficiently transfers heat to the water, resulting in lower energy costs and improved overall performance.

Efficiency is a key characteristic of the Weil-McLain CGA25SPDN. Its design promotes efficient combustion, allowing for a higher Annual Fuel Utilization Efficiency (AFUE) rating. With an AFUE rating of up to 82%, this boiler ensures that more of the fuel used is converted into usable heat, which translates to reduced energy bills for homeowners.

The boiler exhibits a user-friendly control system that allows for easy operation and maintenance. It comes equipped with an integrated vent damper that maximizes efficiency by reducing heat loss during standby periods. Additionally, the CGA25SPDN features an adjustable thermostat, enabling homeowners to customize their heating preferences easily.

Another significant feature of the CGA25SPDN is its versatility. The boiler is compatible with various heating applications, including hot water heating systems and home heating configurations. This adaptability makes it a great choice for both new installations and retrofitting existing systems.

Safety is always a concern with gas-fired appliances, and the Weil-McLain CGA25SPDN addresses this through its advanced safety mechanisms. The boiler incorporates safety controls that prevent overheating and ensure proper operation, providing peace of mind to homeowners.

In summary, the Weil-McLain CGA25SPDN stands out as a reliable and efficient heating solution for residential settings. With its durable construction, high-efficiency performance, user-friendly controls, and impressive safety features, it is an exceptional choice for those seeking a dependable gas-fired boiler that meets modern heating demands while keeping energy costs in check. Homeowners can trust the Weil-McLain CGA25SPDN for warmth and comfort through the cold months.