GOLD CGa Gas-Fired Water Boiler — Boiler Manual

12e Replacement parts — trim

&IGURE R Trim assembly

 

Item

Description

Manufacturer

Manufacturer’s

Weil-McLain

 

number

 

 

part number

part number

 

 

 

 

 

 

 

1

Pressure relief valve, ASME, 30 PSIG, ¾" male inlet

Conbraco

10-407-10

511-546-920

 

 

Pressure relief valve, ASME, 30 PSIG, ¾" female inlet

Watts

M330

511-546-924

 

 

Conbraco

10-408-05

 

 

(Fittings shown are factory-installed on boiler.)

Watts

335

 

 

 

 

 

 

 

 

2

Combination pressure-temperature gauge, 3" diameter,

Weil-McLain

 

380-000-000

 

 

short shank (Fittings shown are shipped loose with boiler.)

 

 

 

 

 

 

 

 

 

 

3

Drain valve, ¾"

Conbraco

31-606-01

511-210-423

 

 

(Fittings shown are included with boiler.)

Hammond Valve

710

 

 

 

 

Matco-Norca

205F04

 

 

 

 

Watts

 

 

 

 

 

BD-2C

 

 

 

 

 

 

 

 

4

Circulator

Bell & Gossett

NRF-22-103253

511-405-118

 

 

(Fittings shown are shipped loose with boiler.)

Taco

007

511-405-113

 

 

 

 

 

 

 

5

Circulator gasket, universal (2 per boiler)

Weil-McLain

590-317-535

 

 

 

 

 

 

 

not shown

Circulator hardware kit, includes:

Weil-McLain

 

 

 

1 flange, 2 nuts, 2 screws, 1 gasket:

 

 

381-354-530

 

 

¾” NPT — CGa-25 - - - - - - - - - - - - - - - - - - - -

- - - - - - - - -

- - - - - - - - -

 

 

1" NPT — CGa-3 through CGa-5 - - - - - - - - - - - - -

- - - - - - - - -

- - - - - - - - -

381-354-525

 

 

1¼" NPT — CGa-6 through CGa-7 - - - - - - - - - - - -

- - - - - - - - -

- - - - - - - - -

381-354-526

 

 

1½” NPT — CGa-8 - - - - - - - - - - - - - - - - - - - -

- - - - - - - - -

- - - - - - - - -

381-354-531

 

 

 

 

 

 

 

6

Circulator wiring harness, standing pilot ignition

Weil-McLain

591-319-793

 

 

Circulator wiring harness, spark-ignited pilot (with Molex)

 

 

381-354-528

 

 

 

 

 

 

 

not shown

Mate-N-Lock connector (red), spark-ignited pilot only

Amp

1-480698-2

563-210-632

64

 

 

 

 

 

 

 

 

Part Number 550-101-009/0107

Page 64
Image 64
Weil-McLain CGA25SPDN manual 12e Replacement parts trim, Igure R Trim assembly

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.