Page 3 - FQ10474-A.GVA Northwest.DCWH

Page No. 2
Proposal No. Q10474-A
Date: April 6, 2017

THIS PROPOSAL INCLUDES THE FOLLOWING PARTS AND SERVICE:

One (1) Direct Contact Water Heater System Including the Following:

1. UL Listed Burner Assembly.
2. Inlet and outlet connection for water.
3. Inlet water distribution nozzle assembly.
4. Flanged stack connection. (18" diameter)
5. Heat transfer medium.
6. Dual walled water chamber.
7. Type 304, stainless steel fabrication; other materials of construction are
available if the supply water chemistry is of poor quality.
8. Two (2) access manways, one on heater top and one on heater sidewall.

One (1) Stainless Steel Exhaust Stack

1. Ten (10) feet of stainless steel exhaust stack. (18" diameter).

One (1) UL Gas Firing and Control System Including:

1. Heavy duty industrial burner.

1.1 Stainless steel inner and outer blast tube, UV scanner tube and
diffuser.
1.2 Full modulation control system.

2. Combustion air blower.

2.1 Stainless steel blower wheel.
2.2 1-1/2 Hp. motor.

3. Combustion air pressure sensor switch.

4. Prepiped and prewired FM gas train including:

4.1 Main gas shutoff valve.
4.2 Main gas pressure regulator.
4.3 Main gas valve, motorized with proof of closure.
4.4 Modulating butterfly valve.
4.5 High gas pressure switch.
4.6 Low gas pressure switch.
4.7 Main gas test valve.