A.O. Smith Twister 45-190 spare parts

In brief

Instalpunt supplies 24 original parts for the A.O. Smith Twister 45-190, including fans, pressure switches and differential pressure switches, gas valves and gas control. Order online.

24Spare parts
2In stock
€33.98From
11Types
availableExploded view

Looking for parts for the A.O. Smith Twister 45-190 (hot water cylinder)? Below are all 24 original parts, grouped by part type, with the matching exploded view. Choose a type to jump straight to the right table.

View the interactive exploded view →

Fans 2
Pressure switches and differential pressure switches 2
Gas valves and gas control 1
Burner control units 1
Ignition and ionisation 1
Thermostats and controls 2
Burners 1
Valves 1
Electrical parts 4
Gaskets and seals 1
Pipes, tubes and hoses 1
Other parts 7

Fans for the A.O. Smith Twister 45-190 (2) all A.O. Smith fans →

Part	Item no. / mfr. no.	Price	Stock
A.O. Smith fan Ametek 175K Pol	8750904 Mfr. no. 6903773(S)	€1,308.95	Made-to-order item	View & order
A.O. Smith fan isolation relay	8750569 Mfr. no. 4210293(S)	€141.95	Made-to-order item	View & order

Pressure switches and differential pressure switches for the A.O. Smith Twister 45-190 (2) all A.O. Smith pressure switches and differential pressure switches →

Part	Item no. / mfr. no.	Price	Stock
A.O. Smith air pressure switch Twister 45-190	8750618 Mfr. no. 0324512(S)	€57.95	Made-to-order item	View & order
A.O. Smith differential air pressure switch	8750638 Mfr. no. 0309343(S)	€61.95	Made-to-order item	View & order

Gas valves and gas control for the A.O. Smith Twister 45-190 (1) all A.O. Smith gas valves and gas control →

Part	Item no. / mfr. no.	Price	Stock
A.O. Smith gas valve VK8115V	8750654 Mfr. no. 6903775(S)	€315.95	Made-to-order item	View & order

Burner control units for the A.O. Smith Twister 45-190 (1)

Part	Item no. / mfr. no.	Price	Stock
A.O. Smith burner control unit 1018 -528	8750493 Mfr. no. 3210536(S)	€246.95	Made-to-order item	View & order

Ignition and ionisation for the A.O. Smith Twister 45-190 (1) all A.O. Smith ignition and ionisation →

Part	Item no. / mfr. no.	Price	Stock
A.O. Smith igniter 201QM	8750491 Mfr. no. 6903768(S)	€119.95	In stock	View & order

Thermostats and controls for the A.O. Smith Twister 45-190 (2) all A.O. Smith thermostats and controls →

Part	Item no. / mfr. no.	Price	Stock
A.O. Smith thermostat board	8750492 Mfr. no. 6903777(S)	€201.95	Made-to-order item	View & order
A.O. Smith thermostat sensor	8750488 Mfr. no. 6905055(S)	€148.95	Made-to-order item	View & order

Burners for the A.O. Smith Twister 45-190 (1) all A.O. Smith burners →

Part	Item no. / mfr. no.	Price	Stock
A.O. Smith burner Twister 35	8750541 Mfr. no. 6903780(S)	€636.95	Made-to-order item	View & order

Valves for the A.O. Smith Twister 45-190 (1) all A.O. Smith valves →

Part	Item no. / mfr. no.	Price	Stock
A.O. Smith drain valve 3/4" for e.g. Twister 45-190 6907316(S)	8750801 Mfr. no. 6907316(S)	€127.95	Made-to-order item	View & order

Electrical parts for the A.O. Smith Twister 45-190 (4) all A.O. Smith electrical parts →

Part	Item no. / mfr. no.	Price	Stock
A.O. Smith transformer 120V 24V	8750803 Mfr. no. 6907302(S)	€112.95	Made-to-order item	View & order
A.O. Smith transformer 230v 120v	8750835 Mfr. no. 4210300(S)	€317.95	Made-to-order item	View & order
A.O. Smith fuse 2,5 A	8750585 Mfr. no. 4210244(S)	€96.95	Made-to-order item	View & order
A.O. Smith fuse holder	8750584 Mfr. no. 4210243(S)	€104.95	Made-to-order item	View & order

Gaskets and seals for the A.O. Smith Twister 45-190 (1) all A.O. Smith gaskets and seals →

Part	Item no. / mfr. no.	Price	Stock
A.O. Smith fan gasket Twister	8750520 Mfr. no. 6903779(S)	€78.95	In stock	View & order

Pipes, tubes and hoses for the A.O. Smith Twister 45-190 (1) all A.O. Smith pipes, tubes and hoses →

Part	Item no. / mfr. no.	Price	Stock
A.O. Smith air supply hose Ø60 x 760 mm	8750650 Mfr. no. 0308233(S)	€111.95	Made-to-order item	View & order

Other parts for the A.O. Smith Twister 45-190 (7)

Part	Item no. / mfr. no.	Price	Stock
A.O. Smith air inlet	8750606 Mfr. no. 3710169(S)	€59.95	Made-to-order item	View & order
A.O. Smith cold water tube	8750736 Mfr. no. 6903778(S)	€48.95	Made-to-order item	View & order
A.O. Smith LED red	8750786 Mfr. no. 6907307(S)	€101.95	Made-to-order item	View & order
A.O. Smith LED yellow	8750787 Mfr. no. 6907306(S)	€101.95	Made-to-order item	View & order
A.O. Smith LED green	8750788 Mfr. no. 6907305(S)	€101.95	Made-to-order item	View & order
A.O. Smith air inlet set Ø100/130mm	8750817 Mfr. no. 6903783(S)	€192.95	Made-to-order item	View & order
A.O. Smith potentiometer	8750494 Mfr. no. 6905050(S)	€112.95	Made-to-order item	View & order

Fault code on your A.O. Smith Twister 45-190? This is the part type involved

Common A.O. Smith fault codes and the part type that is usually the cause; the parts for this model are listed above. All codes explained: A.O. Smith fault codes.

Code	What is going on	Part type
0A5	The thermal fuse has interrupted the control circuit.	Thermostats and controls
Explosive ignition	Poor flame pattern: insufficient air supply	Burners
F01	Control fault: Live and neutral were swapped during connection	Ignition and ionisation
F02	Fan fault: damaged or loose wiring.	Fans
F03	Air pressure switch fault: the non-return valve between the fan and the burner is stuck.	Fans
F04	Three unsuccessful ignition attempts: no burner pressure	Burners

For guidance only: the same code can have a different cause depending on the situation.

Other A.O. Smith hot water cylinders

← All A.O. Smith parts

Frequently asked questions

Which parts are available for the A.O. Smith Twister 45-190?

The catalogue lists 24 original parts for the A.O. Smith Twister 45-190, including fans, pressure switches and differential pressure switches, gas valves and gas control, burner control units. All parts are listed above, grouped by type, with part number and price.

How much does a fan for the A.O. Smith Twister 45-190 cost?

The fans for this model cost between €142.44 and €1,526.34 incl. VAT. Check the table "Fans" above for the right part number.

Are the parts for the A.O. Smith Twister 45-190 in stock?

2 of the 24 parts are in stock; shipping to EU countries from €12.95 (€16.95 for more distant countries), usually 3–5 working days. Parts marked "Made-to-order item" are ordered specially for you; the delivery time is shown on the product page.

How do I know which part I need for the A.O. Smith Twister 45-190?

Search for the part by part number or use the exploded view of the A.O. Smith Twister 45-190.

Are these original A.O. Smith parts?

Yes. All 24 parts in this list are original manufacturer parts for the A.O. Smith Twister 45-190, supplied through the official technical wholesale channel and with the correct part number.

How much do parts for the A.O. Smith Twister 45-190 cost?

Parts for the A.O. Smith Twister 45-190 range from €33.98 to €1,526.34 incl. VAT. The exact price of each part is shown in the tables above.

Can I return a part?

As a consumer you have a 14-day right of withdrawal. You may unpack and inspect the part; do not install or connect it. For a part that has been installed, connected or damaged we deduct the diminished value, up to the full price for circuit boards.