💧 Pilot, Raypak 53A/55A/105A/151/153/155A, Nat./LP,After 06/00
Made by Raypak, manufacturer part number 002003F. It is listed for the equipment shown below, so check the model on your own unit against that list. If your old part carries one of the cross-reference numbers further down, this is listed as its alternative.
📏 Specifications
| Specification | Value |
|---|---|
| Brand | Raypak |
| Manufacturer part number | 002003F |
| Catalog description | Pilot, Raypak 53A/55A/105A/151/153/155A, Nat./LP,After 06/00 |
✅ Listed for
- Raypak 53B Model Spa-Pak Heater
- Raypak 153 (12/1/81-1/1/84) & 153A (1/1/84-2/15/87)
- Raypak Versa 155A/155B/155C Heaters
- 263A 333A 403A Heaters Raypak Versa 183A
- 263B 333B 403B Heaters Raypak Raytherm 183B
- 265B/C 335B/C 405B/C (10-16-88 thru 11-01-93) Raypak 185B/C
- R265 R335 R405 (11-01-93 thru 11-01-98) Raypak R185
- 265B 335B 405B (10-16-88 thru 11-09-92) Raypak 185B
- Raypak RP2100 Digital 185 – 405 Model Heaters (11-01-98 +)
- 266A 336A 406A Digital Atmospheric Gas Heater Raypak 206A
- R265A R335A R405A Raypak RP2100 Digital Gas Models R185A
- R265B R335B R405B Raypak RP2100 Digital Gas Models R185B
- 156A Gas Heater Raypak 106A
- Raypak Pro Series 268A/408A Gas Heater Replacement Parts
🔄 Cross-reference part numbers
These part numbers are listed as alternatives for this part.
| Brand | Part number |
|---|---|
| Raypak | 007864F |
Exploded parts diagrams: This part is shown as item #3p on the Raypak 55A Model Versa (5/1/87-9/30/89); item #2P on the Raypak 53A Model Spa-Pak Heater; item #3p on the Raypak Versa 105A Bronze & Cast Iron Heater (10/91-5/99); item #3P on the Raypak 55B Model Versa (10/01/89-4/15/13); item #3p on the Raypak Versa 105B Bronze & Cast Iron Heater (6/1/99-pres); item #2p on the Raypak 151 CAL III & SPA PAK, (1974 -12/81 & 11/80 – 12/81); and 11 other assemblies exploded parts diagrams.
🔧 Raypak 55A Model Versa (5/1/87-9/30/89) – exploded parts diagram

The numbered parts below make up this assembly. Parts we stock are linked – click any to view.
🔧 Exploded diagram and parts
This part belongs to the Raypak 55A Model Versa (5/1/87-9/30/89) assembly. Everything listed below is something we stock for it, and the numbers match the diagram.
Gaskets
| No. | Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|---|
| 5h | ![]() |
Unitherm Governor Sleeve, Raypak 53/53A/55A | 400734 | 3 in stock | $9.10 | Add to cart |
| 7h | ![]() |
Drain Valve, Raypak 53/53A/55A/105A/105B/151/153/155A/183A | 013793F | 8 in stock | $30.01 | Add to cart |
| 8h | ![]() |
Bulb Well, Raypak 53/53A/55A/151/153/155A/183A | 007211F | Available to order | $43.70 | |
| 10h | ![]() |
Flange, Raypak 53/53A/55A/153/155A/183A/185, In/Out | 002432F | Available to order | $51.98 | |
| 11h | ![]() |
Gasket, Raypak 53/53A/55A/105A/151, Flange, 1-9/16"ID, 2-1/8"OD | 800013B | 3 in stock | $39.10 | Add to cart |
| 12H | ![]() |
Gasket, Raypak 55A, Unitherm Governor, 1-7/16"ID, 1-7/8"OD | 800276 | Available to order | $4.04 | |
![]() |
Temp Sensor Retainer Kit, Qty 5, Raypak ELS/53A/55A/105A/B | 100-10000413 | Available to order | $62.85 |
Complete wiring boxs
| No. | Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|---|
| 5s | ![]() |
Wiring Box, Raypak 55A | 306094 | 1 in stock | $24.76 | Add to cart |
Orifices
| No. | Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|---|
| 1P | ![]() |
Pilot, Raypak 53/53A/55A/105A/151/153/155A/183A, Nat., MV | 600525B | Available to order | $74.35 | |
| 1P | ![]() |
Pilot, Raypak 53/53A/55A/105A/151/153/155A/183A, LP, MV | 600575B | Available to order | $73.46 | |
| 5P | ![]() |
Orifice, Raypak 53/53A/55A/105A/151/153/155A, Nat., MV | 003901F | Available to order | $8.85 | |
| 5P | ![]() |
Orifice, Raypak 53/53A/55A/105A/151/153/155A, LP, MV | 003902F | Available to order | $8.85 | |
| 7P | ![]() |
Pilot Orifice, Raypak 53A/55A/105A/151/153/155A/183A, IID | 003903F | 2 in stock | $35.65 | Add to cart |
| 7P | ![]() |
Pilot Orifice, Raypak 55A/105A/155A/185A/R185/185/206A, IID | 004308F | 6 in stock | $20.28 | Add to cart |
| 9p | ![]() |
Thermocouple, Raypak 53/53A/55A/105A/151/153/155A, MV | 600019B | Available to order | $59.82 | |
| 11P | ![]() |
Ignition Control, Raypak 53A/55A/105A/151/153, with out Lock | 004817B | 4 in stock | $258.74 | Add to cart |
| 11P | ![]() |
Ignition Control, Raypak 55A/105A/155A/185A/R185, with Lock | 004818B | Available to order | $177.86 |
Dial Plates
| No. | Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|---|
| 1m | ![]() |
Pressure Switch 3925, 25A, Tecmark, Universal, SPNO, w/Brass | 3925 | Available to order | $24.97 | |
| 3m | ![]() |
Thermostat Knob,Raypak 53/ELS/53A/55A/105A/105B/151/153,Blk | 006885F | 1 in stock | $26.78 | Add to cart |
| 4m | ![]() |
Knob Stop, Raypak ELS/53A/55A/105A/105B/153/155A/183A/185A | 006886F | 2 in stock | $28.12 | Add to cart |
| 5M | ![]() |
Dial Plate, Raypak 55A, Millivolt | 900741 | 1 in stock | $18.75 | Add to cart |
| 5M | ![]() |
Dial Plate, Raypak 55A, Electronic Ignition | 900742 | 1 in stock | $20.75 | Add to cart |
| 6M | ![]() |
Transformer, Raypak 55A/R185/185/207A/206A/R185A, 115v/230v | 006736F | 6 in stock | $108.09 | Add to cart |
Complete gas valves
| No. | Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|---|
| 1G | ![]() |
Gas Valve, Raypak 53/53A/55A/105A/105B/151/153, Nat., MV | 003898F | 3 in stock | $448.86 | Add to cart |
| 1G | ![]() |
Gas Valve, Raypak 53/53A/55A/105A/105B/151/153, LP., MV | 003899F | 2 in stock | $308.05 | Add to cart |
| 1G | ![]() |
Gas Valve, Raypak 53A/55A/105A/105B/151/153/155A, Nat., IID | 003900F | 6 in stock | $373.89 | Add to cart |
| 1G | ![]() |
Gas Valve, Raypak 55A/105A/105B/155A/185A/R185/185, LP, IID | 004306F | 6 in stock | $397.58 | Add to cart |
Hi Limits
Show 5 hi limits we stock
| No. | Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|---|
| 1c | ![]() |
Hi Limit, Raypak 53/53A/55A, Auto Reset 13-B, 135degF | 600889B | 2 in stock | $59.27 | Add to cart |
| 2c | ![]() |
Hi Limit, Raypak 53/53A/55A, Auto Reset 14-B, 140degF | 600890B | 5 in stock | $59.27 | Add to cart |
| 3c | ![]() |
Thermostat, Raypak ELS/53/105A/105B/153/155A/183A/185B/RP2100 | 003346F | Available to order | $113.76 | |
| 4C | ![]() |
PCB, Raypak 55A/105A/155A/185A, IID | 005086B | 3 in stock | $201.44 | Add to cart |
| 5C | ![]() |
Thermostat Kit, Raypak 55A/185A, IID, 10A | 005390F | Available to order | $285.80 |









































