GAS-FIRED HEATER Installation Manual

PART 15: MAINTENANCE (CONTINUED)

 

1

2

HEATER LIMIT

 

FUSE CONNECTION

5 4 3

6

8

7

9

11 10

16

21

10

13 12

14

18

17

 

 

 

15

 

19

22

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

20

23

 

 

 

 

 

 

 

 

 

 

 

 

 

24

 

 

 

 

 

 

 

 

 

 

 

 

 

REPLACEMENT PARTS

 

 

 

 

 

 

 

 

 

 

Item

Description

 

Part #

Item

Description

 

Part #

#

 

#

 

 

 

 

 

 

 

1

Composite Module

7500P-010

(MC50)

14

Gasket (Air Channel to Combustion Blower)

7500P-075

 

 

 

 

 

 

 

 

 

 

7500P-012

(MC80)

15

Combustion Blower (w/Screws)

 

7500P-031

 

 

 

 

 

 

 

 

 

 

7500P-014

(MC99/MC120)

16

Screws M5 x 14MM (Combustion Blower)

 

7250P-254

 

 

 

 

 

 

 

 

2

Ceramic Target Wall

7250P-160

 

17

Gas Valve Adapter Plate (w/Screws)

 

7250P-644

 

 

 

 

 

 

 

3

Burner Door Ceramic Refractory

7500P-076

 

18

Screws M4 x 12MM (Gas Valve Adapter Plate)

7500P-105

 

 

 

 

 

 

 

 

4

Burner Door (w/Nuts)

7500P-078

 

19

Gas Valve Swirl Plate

 

7500P-091(MC50)

 

 

 

 

 

 

 

 

5

Nuts - M6 (Burner Door)

7500P-067

 

 

 

 

7500P-092 (MC80)

 

 

 

 

 

 

 

6

NIT Burner

7500P-015 (MC50)

 

 

 

7500P-093 (MC99/MC120)

 

 

 

 

 

 

 

 

 

 

7500P-016

(MC80)

20

Gas Valve (w/Swirl Plate, Screws)

 

7250P-448 (MC50)

 

 

 

 

 

 

 

 

 

 

7500P-017

(MC99/MC120)

 

 

 

7250P-449 (MC80)

 

 

 

 

 

 

 

 

7

Gasket (Burner)

7500P-074

 

 

 

 

7000P-862 (MC99/MC120)

 

 

 

 

 

 

 

 

8

Air/Gas Channel (w/Torx Screws)

7500P-079

 

21

Screws M4 x 18MM (Gas Valve)

 

7250P-716 (MC50)

 

 

 

 

 

 

 

 

9

Torx Screws (Air/Gas Channel)

7500P-068

 

 

Screws M4 x 19MM (Gas Valve)

 

7250P-717 (MC80)

 

 

 

 

 

 

 

 

10

Gasket (Flame Rec./Spark Electrode)

7250P-005

 

 

Screws M4 x 25MM (Gas Valve)

 

7250P-718 (MC99/MC120)

 

 

 

 

 

 

 

 

11

Flame Rectification Probe

7500P-039

 

22

O-Ring (Gas Valve Piping Assy)

 

7500P-094

(w/Gasket)

 

 

12

Spark Electrode (w/Gasket)

7500P-040

 

23

Gas Valve Piping Assembly (w/O-ring, Screws)

7500P-095

 

 

 

 

 

 

 

13

Screws M4 x 8MM (Probe/Electrode)

7250P-069

 

24

Screws M4 x 12MM (Gas Valve Piping Assy)

7500P-099

 

 

 

 

 

 

 

 

Fig. 15-1

63

Page 64
Image 64
Munchkin Gas-Fired Hot Water Circulating Heater installation manual Part 15 Maintenance, Replacement Parts

Gas-Fired Hot Water Circulating Heater specifications

The Munchkin Gas-Fired Hot Water Circulating Heater is a cutting-edge heating solution designed to provide efficient and reliable hot water for residential and commercial applications. Renowned for its compact design and innovative technology, the Munchkin heater combines performance with energy efficiency, making it an ideal choice for those seeking comfort and cost savings.

One of the main features of the Munchkin heater is its modulating burner. This technology intelligently adjusts the heating output based on the demand for hot water, ensuring that energy is not wasted. This leads to lower energy bills and a reduction in environmental impact, as the system only uses the necessary resources to maintain desired water temperatures.

Another notable characteristic is its high-efficiency rating. The Munchkin heater operates with an impressive annual fuel utilization efficiency (AFUE) of up to 95%. This means that the majority of the fuel consumed is converted into usable heat. By maximizing energy utilization, homeowners can enjoy a significant reduction in utility costs while minimizing emissions.

The compact size of the Munchkin Gas-Fired Hot Water Circulating Heater is another significant advantage. It is designed to fit into tight spaces, making it suitable for homes where space is at a premium. This compact design does not compromise performance; instead, it enhances installation flexibility, allowing for placement in basements, closets, or utility rooms.

Munchkin heaters are equipped with advanced control systems that offer enhanced convenience. The digital display and programmable settings allow users to set their preferred temperatures and schedules. This feature not only enhances user comfort but also optimizes energy usage, as water is heated only when necessary.

Safety is also a top priority with Munchkin products. The heater includes built-in safety features such as flame monitoring systems, automatic shut-off capabilities, and pressure relief valves, providing peace of mind for users.

In summary, the Munchkin Gas-Fired Hot Water Circulating Heater is a high-efficiency, compact, and innovative solution for hot water needs. With its modulating burner, high-efficiency rating, advanced control systems, and safety features, it stands out as a reliable choice for those looking to invest in heating technology that prioritizes energy conservation and performance. This heater is truly a forward-thinking solution for modern hot water requirements.