GOLD CGa Gas-Fired Water Boiler — Boiler Manual

12c Replacement parts — base

&IGURE R Base assembly, manifold, orifices and burners

Item

Description

 

Weil-McLain

number

 

 

part number

 

 

 

 

 

Base assembly kit

CGa-25

381-354-355

 

(includes base panels items 1, 2,

CGa-3

381-354-356

 

3, 4, 5, 6, and 7, plus insulation,

CGa-4

381-354-357

 

air box gaskets, and hardware)

CGa-5

381-354-358

 

 

CGa-6

381-354-359

 

 

CGa-7

381-354-360

 

 

CGa-8

381-354-361

 

 

 

 

1

Base side panel (in Base assembly)

 

 

 

 

 

2

Base front cross-tie assembly (in Base assembly)

 

 

 

 

 

3

Base back cross-tie assembly (in Base assembly)

 

 

 

 

 

4

Access panel (in Base assembly)

 

 

 

 

 

 

5

Base pan angle, left side (in Base assembly)

 

 

 

 

 

6

Base pan angle, right side (in Base assembly)

 

 

 

 

 

7

Base pan (in Base assembly)

 

 

 

 

 

 

8

Burner rest

CGa-25

450-003-742

 

 

CGa-3

450-003-736

 

 

CGa-4

450-003-737

 

 

CGa-5

450-003-738

 

 

CGa-6

450-003-739

 

 

CGa-7

450-003-740

 

 

CGa-8

450-003-741

 

 

 

 

9

Base insulation kit

CGa-25

381-354-518

 

(includes insulation for all base

CGa-3

381-354-518

 

parts above plus gasket material

CGa-4

381-354-518

 

needed between block assembly

CGa-5

381-354-518

 

and base)

CGa-6

381-354-519

 

 

CGa-7

381-354-519

 

 

CGa-8

381-354-519

 

 

 

 

10

Boiler leg kit

 

590-424-253

 

 

 

 

11

Manifold

CGa-25

591-126-615

 

 

CGa-3

591-126-616

 

 

CGa-4

591-126-617

 

 

CGa-5

591-126-618

 

 

CGa-6

591-126-619

 

 

CGa-7

591-126-556

 

 

CGa-8

591-126-557

 

 

 

 

12

Main burner orifice — Natural gas, sea level

560-528-997

 

Main burner orifice — Propane gas, sea level

560-528-998

 

 

 

 

13

Burner, stainless steel

 

512-200-077

 

 

 

 

14

Burner with pilot bracket

Standing pilot

512-200-079

 

(not shown)

 

 

 

Spark-ignited

512-200-078

 

 

 

 

pilot

 

 

 

 

 

15

Screw, 10-32 x 1/8 STP type D hx, washer head

available at

 

slot ZP

 

local supply

 

 

 

house

 

 

 

 

16

Rollout thermal fuse element

 

512-050-230

 

 

 

 

62

Part Number 550-101-009/0107

Page 62
Image 62
Weil-McLain CGA25SPDN manual 12c Replacement parts base, Igure R Base assembly, manifold, orifices and burners

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.