Polaris PR 175-50 3NV OR 3PV Repair Parts List/Diagram, Tools Required For Servicing, Function

REPAIR PARTS LIST/DIAGRAM

	100 GALLON MODELS	9
When ordering repair parts always give the
following information:		10	14
1.	Model, serial, and product numbers
		11
2.	Type of gas	12	13
3.	Item number

4.Parts description

Repair Parts List

ITEM	PARTS DESCRIPTION
NO.

11-1/2” NPT x 3” BRASS NIPPLE

2THERMOSTAT SENSOR BUSHING

3THERMOSTAT SENSOR/ECO

4CONTROL PANEL HOUSING

5IGNITION CONTROL

6BLOWER ISOLATION RELAY

7THERMOSTAT BOARD

8TRANSFORMER

9SIGHT GLASS

10RED LED

11YELLOW LED

12GREEN LED

13TEMPERATURE SELECTOR KNOB

14THERMOSTAT BEZEL

15POTENTIOMETER

16PRESSURE SWITCH

17VINYL TUBING

18ACCESS PANEL

19CLEAN-OUT PLUG w/O-RING

20CONDUIT

213” CONDENSATE TRAP ASSEMBLY

22BUSHING

23AIR INLET PIPE ASSEMBLY

243/4” GAS INLET PIPE

25PIPE COUPLING

26GAS VALVE

27VENTURI MANIFOLD

28IGNITER BRACKET

29HOT SURFACE IGNITOR

30BLOWER

314” DIAMETER BLOWER GASKET

32BURNER (NATURAL & L.P. SAME)

336” DIAMETER BURNER GASKET

34DRAIN VALVE

35TEMPERATURE AND PRESSURE RELIEF VALVE

1

4
5		2			35
6
	7
	8	3
	19	1
15	17	20					34
16
								33
	18							32
				21				31
						27
			22	23	25			30
				24		26	28	29
	TOOLS REQUIRED FOR SERVICING
TOOL			FUNCTION
VOLT OHMMETER			MEASURE VOLTAGE/RESISTANCE
CLAMP-ON AMMETER			MEASURE CURRENT
STOPWATCH			CLOCK GAS CONSUMPTION
CALCULATOR			CALCULATE INPUT RATE
U-TUBE MANOMETER			READ INLET GAS PRESSURE
3/16” ID PLASTIC TUBING - 2 FT			CONNECT MANOMETER
#1 & #2 PHILLIPS SCREWDRIVERS			REMOVE DOORS AND CONTROLS
12” PIPE WRENCH (2 REQUIRED)			REMOVE GAS LINE
1/2” COMBINATION WRENCH			REMOVE BLOWER AND BURNER
1/2” SOCKET AND RATCHET			REMOVE BLOWER AND BURNER
3/8” COMBO WRENCH/NUT DRIVER			REMOVE IGNITER
T-25 TORX WRENCH			REMOVE THE GAS VALVE

(ALSO HELPFUL - 9/32” and 5/16” COMBINATION WRENCHES)

31