Sunvic es/cts what is thin wire coil for?

What thin wire coil? Mine just had 4 wires: orange, blue, grey and brown and these connected directly to the existing wires on the junction box.

This got stuck on me and i had to spray it with wd40, all good now but i've lost the screws. can anyone tell me what screws i need?

M6 i think. It is a standard metric thread.

Can i use body from szm1801 and put on it sz2301?

Bodies of 2 ports are the same, the actuators vary with end switches

Sunvic 2 Port Spring Return 4 Wire Actuator Sz2301 Genuine

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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€ 514.93

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Sold byAmazon CroatiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚙️ Upgrade your heating game with the actuator pros trust!

4 WIRE CONFIGURATION - Simplifies installation with reliable, professional-grade wiring
GENUINE SUNVIC QUALITY - Authentic part guarantees seamless compatibility and durability
PLUG AND PLAY REPLACEMENT - Direct swap for your existing actuator—no guesswork, no downtime
BUILT TO LAST OVER A DECADE - Proven longevity with up to 16 years of dependable service
PRECISION SPRING RETURN MECHANISM - Ensures fail-safe valve positioning for ultimate system protection

The Sunvic SZ2301 is a genuine 2-port spring return actuator featuring a 4-wire setup designed for reliable, long-term operation in central heating systems. Engineered for professional installation, it offers precise valve control and proven durability, making it the go-to replacement part for maintaining optimal HVAC performance.

Specifications

ASIN	B006G8O4JI
Batteries Required?	No
Batteries included?	No
Best Sellers Rank	734,078 in DIY & Tools ( See Top 100 in DIY & Tools ) 6,158 in Central Heating System Accessories
Colour	White
Customer Reviews	4.0 4.0 out of 5 stars (21)
Date First Available	30 Nov. 2011
Guaranteed software updates until	unknown
Item Package Quantity	1
Item Weight	460 g
Item model number	SZ2301 (4082301)
Manufacturer	Sunvic
Number of Pieces	1
Package Dimensions	27 x 12.4 x 7.8 cm; 459.99 g
Part Number	SZ2301 (4082301)
Size	SZ2301
Style	SZ2301

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€ 514.93

Duties & taxes included

In stock

Sold byAmazon CroatiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Croatia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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Sunvic 2 Port Spring Return (4 Wire) Actuator SZ2301 Genuine Part

Description

Specifications

Common Questions