Pressure Washer Parts & Replacement Parts

Looking for pressure washer parts to maintain your power washing equipment? At PSI Equipment, we maintain a comprehensive inventory of Hotsy factory-direct pressure washer parts. In the event that we don’t have the specific part you need, our service team can promptly order it and arrange same-day shipping. Additionally, our service technicians, equipped with commonly needed pressure washer replacement parts, are available to perform on-site installations.

As a reliable replacement parts supplier, we offer competitively priced selections, and our knowledgeable staff are experts in the field. Rest assured that the part you require will be compatible with your pressure washer, addressing the challenges of online shopping and compatibility concerns.

For all your pressure washer parts and industrial cleaning equipment replacement parts, a single call to PSI Equipment is all it takes. Contact us today to fulfill your requirements!


These quick-coupled, color-coded, hardened stainless nozzles fit most 1/4″ quick couplers. Rated for 4000 PSI.


1/4″ male pipe thread nozzles, rated up to 5000 PSI. Hardened stainless steel nozzle insert ensures consistent, accurate orifice size.

Regulator/Unloader – ST-261

8 GPM. Stainless-steel plunger and seat. 0-3600 PSI regulation. Viton seals180°F temperature rating. Forged-brass body. 22.5 oz weight.


Brass Couplers, designed for 4000 PSI and extended durability. Affordable and rugged all in one.


High quality genuin Fittings from Hotsy®


Horizontal or vertical mount. 5000 PSI. 10 GPM max flow, 1.8 GPM min flow. 180°F. 12-250V, 3 amps. 3/8″ FPT inlet/outlet. 2 wire reed. 62″ cord length.


200°F. Stainless-steel plunger. 360 PSI. 1/4″ and 3/8″ MPT nipple. 15 Amp — 115 or 230V AC. 3-wire — internally wired for either N/O or N/C. 42″ wire length.


Prevents dangerous thermal expansion of water in the coil. Ensures operator safety.


Prevents pressure overloads, protecting people and equipment.


2-1/2″ Back Mount with Bronze Internals.


Hotsy Pumps featuring NESTechnology™
NESTechnology™ stands for Nested Seal Technology, where the pump actually “nests” the seals of the pump’s high-pressure packing assembly in place, supporting the side walls, and resulting in greatly increased seal life.


Rugged carbon steel construction. 2-way. NPT (F x F) threads. Blow-out proof stems. Delrin ball seats. Viton O-rings.

"Jimmy and his staff are amazingly knowledgeable and super helpful. They helped us with trouble shooting our machine that we didn’t even buy from them. We ended up purchasing chemicals and additional products from him and they were great!"

- Alex M.

"My guy Jimmy will be my new chemical and parts supplier. Very knowledgeable helpful and overall a great guy. Jimmy gave me the best set up money can buy for two Stepping 18 wheeler tractors and trailers. There’s no doubt if you have pressure washing needs Jimmy’s your guy."

- Bradley L.

"PSI Equipment has went above and beyond to get us setup with the best equipment. Everyone was super knowledgeable. Answered every question we had. Gave my husband a walk through on the equipment. Gave us the best price possible. This will be the only company we will ever use for our equipment."

-  Stephanie M.

Get In Touch



4428 N. Thompson Street
Springdale, AR 72764


Mon: 8 am to 5 pm
Tue: 8 am to 5 pm
Wed: 8 am to 5 pm
Thur: 8 am to 5 pm
Fri: 8 am to 5 pm
Sat: Closed
Sun: Closed

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