NOTE: If the heat exchanger is sooted badly, the burner hold-down bracket and spacer can become distorted from direct flame impingement and this usually necessitates replacement of these parts.

2.Lift burners from slotted spacer and slide from ori- fices. Clean with a wire brush.

3.Clean orifice(s) as necessary.

2.Remove front inspection panel.

3.Remove wires to high limit and loosen screws holding high limit to cabinet.

4.Remove wedge clip holding sensing bulb in con- trol well.

5.Remove high limit and install a new one.

Pilot Removal and Cleaning

1.Disconnect pilot tubing at pilot and sensor/igniter wire. Remove screws holding pilot bracket to burn- er tray.

2.Remove pilot and bracket, clean pilot of debris, small bugs, etc., with wire or small brush.

3.Replace pilot, pilot tubing, sensor ignition wires and check for leaks.

High Limit or Tankstat Removal

6.Check control operation before leaving job.

Heat Exchanger Removal

1.Shut water, gas and electricity off, close valves and relieve pressure, remove relief valve. Remove side inspection panels.

2.Remove top holding screws.

3.Remove draft diverter, lift and remove top and flue collector on stack type models. Remove inspec- tion panels.

1.Turn off electrical power.

IN/OUT

HEADER

HIGH LIMIT

4.Loosen bolts and disconnect flange nuts on in/out header, loosen union(s) at gas pipe, and slide boil- er away from piping until studs clear the heater.

ELECTRICAL

JUNCTION BOX

REDUNDANT

SAFETY

SHUT-OFF

VALVE

MANUAL GAS VALVE

MAIN GAS VALVE

SEDIMENT TRAP

Fig. 53: Model 2100–4001 Boiler Illustration

39

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Raypak 133-4001 manual Pilot Removal and Cleaning, High Limit or Tankstat Removal, Heat Exchanger Removal
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133-4001 specifications

Raypak 133-4001 is a premier heating solution designed for both residential and commercial applications, known for its efficiency and reliability. This high-performance water heater is specifically engineered to meet the demanding requirements of hot water supply while ensuring energy conservation and user convenience.

One of the standout features of the Raypak 133-4001 is its robust construction. Made from high-quality materials, including a corrosion-resistant heat exchanger and durable casing, this unit is designed to withstand harsh environmental conditions. Its compact design allows for easy installation in various locations, making it an ideal choice for homeowners and businesses alike.

The unit operates on natural gas or LP gas, providing versatility in fuel choice. With a heating capacity of 199,000 BTU/hr, it delivers an impressive flow rate that ensures a steady supply of hot water, even during peak demand periods. This capacity makes it suitable for a wide range of applications, from residential water heating to larger facilities requiring substantial hot water output.

Raypak’s advanced technology set ensures that the 133-4001 operates at maximum efficiency. It utilizes a modulating power burner that adjusts the flame based on demand, optimizing fuel consumption. This feature not only helps in reducing energy bills but also minimizes the carbon footprint, making it an environmentally friendly option.

Another notable characteristic of the Raypak 133-4001 is its digital control system. The intuitive interface allows for precise temperature adjustments and easy monitoring of the heating process. Users can set the desired water temperature, and the system will maintain it consistently, ensuring comfort and reducing the risk of scalding.

Safety is a paramount consideration in the design of the 133-4001. It features a built-in high-limit switch, pressure relief valve, and multiple safety sensors to prevent overheating and potential hazards. These safety features provide peace of mind for homeowners and facility managers, knowing that their hot water system is reliable and secure.

In conclusion, Raypak 133-4001 combines advanced technology, robust construction, and user-friendly features, making it a highly effective water heating solution. Its efficiency and dependability cater to a variety of hot water needs, positioning it as a top choice for both residential and commercial use. Whether for a single-family home or a large facility, the Raypak 133-4001 is built to deliver exceptional performance with every use.
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