Table 7: Pilot Burner Location

B o i l e r

M a i n B u r n e r w i t h

P i l o t B u r n e r L o c a t e d

B e t w e e n M a i n

M o d e l

6 0 ° P i l o t B r a c k e t *

B u r n e r s *

 

 

 

 

 

 

2 0 3 P V

1

1

& 2

 

 

 

 

2 0 4 P V

2

2

& 3

 

 

 

 

2 0 5 P V

3

3

& 4

 

 

 

 

2 0 6 P V

4

4

& 5

 

 

 

 

* M a i n b u r n e r s n u m b e r e d l e f t t o r i g h t a s v i e w e d f r o m front of boiler .

at rear of burner. See Figure 11. Slide burner over orifice.

7.Reconnect pilot gas supply, igniter/sensor cable, and ground wire. Reinstall Burner Access Panel. Reconnect Flame Rollout Switch wires.

G.Check operation. Follow Paragraphs D through O from Section VII: System Start-up.

H.Removal or replacement of pilot assembly or pilot assembly parts. If pilot assembly, sensor or pilot orifice need replacing, remove main burner with pilot using procedure described in Paragraph F.1.

1.To replace orifice.

a.Disconnect pilot tubing. Pilot orifices screw into Pilot Burner. Replace with Honeywell 388146NE (Natural Gas) or Honeywell 388146KP (LP/Propane).

b.Reconnect pilot tubing and check for leaks.

2.To adjust or check spark gap between electrode and hood on Honeywell Q348A intermittent pilot. See Figure 18.

a.Use round wire gauge to check spark gap.

b.Spark gap should be 1/8 inch for optimum performance.

3.To replace complete pilot assembly.

a.Remove two machine screws holding pilot burner to pilot bracket.

b.Disconnect pilot tubing.

c.Disconnect all other leads to pilot.

d.Select pilot assembly with identical model number, reconnect leads and pilot tubing. Resecure to pilot bracket.

4.Reinstall main burner following procedure described in Paragraph F.

Figure 18: Spark Gap Setting

Figure 19: Flueway Cleaning

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Burnham 20_PV_I manual Pilot Burner Location, Spark Gap Setting
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20_PV_I specifications

The Burnham 20_PV_I is a high-efficiency, versatile heating solution designed for residential and commercial applications. Renowned for its performance and reliability, the Burnham 20_PV_I is a notable choice for those seeking an effective way to heat their spaces.

One of the standout features of the Burnham 20_PV_I is its innovative design, which incorporates a range of advanced technologies to maximize thermal efficiency. The boiler operates using a proven cast iron heat exchanger that ensures optimal heat transfer. This not only allows for rapid heating but also contributes to the longevity of the unit. With a heating capacity of 20,000 BTUs, it is well-suited for medium-sized spaces, making it ideal for heating homes or small businesses.

Efficiency is a key attribute of the Burnham 20_PV_I, which boasts an impressive AFUE (Annual Fuel Utilization Efficiency) rating. This high efficiency translates into lower fuel consumption, resulting in reduced energy bills for users. The boiler is designed to operate with various fuel types, accommodating natural gas and propane options, which provides flexibility depending on regional availability and price factors.

Another notable characteristic of the Burnham 20_PV_I is its user-friendly control system. The boiler features an integrated digital control panel that allows users to easily set desired temperatures and monitor system performance. This level of control enhances comfort while also enabling owners to proactively maintain efficiency.

In terms of installation, the Burnham 20_PV_I is designed with convenience in mind. Its compact dimensions allow it to be installed in various locations, including basements and utility rooms, without taking up excessive space. Plus, the unit's lightweight construction facilitates easier handling during the installation process.

Safety is paramount in the design of the Burnham 20_PV_I, which includes multiple safety features such as a high limit temperature control, pressure relief valve, and robust emergency shutoff systems. These features ensure reliable operation and peace of mind for users.

Overall, the Burnham 20_PV_I stands out as a robust, efficient, and user-friendly heating solution. With its advanced technologies, impressive efficiency ratings, and committed focus on safety and reliability, it represents an excellent investment for anyone looking to enhance their heating systems, providing warmth and comfort for years to come.
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