Anyone use this for a home hvac lineset flush?

My understanding is Home HVAC just needs more solvent. HVAC store sells amount based on compressor capacity. A good rule of thumb is one 2-lb. canister of flush for a 7-to-10-ton refrigeration system (both high & low lines). Also need more if had electrical burnouts, where more 'gunk' would need to be removed.

Can this be used to flush a plugged heater core?

the a/c cores are aluminum, the heater are usually copper not sure if the flush will react to the material the core is made of if aluminum should be no problem, you might consult with a a/c person

Does this work in 1234yf A/C system?

I’m not familiar with 1234yf systems but if that was a typo it does work with most a/c refrigerants like 134 A and R12 as it’s a flush to clean out the system components of contamination

Is this product compatible with r410a

hi it will work fine as long as you blow out the system with Nitrogen to dry out and get last of flush out of the pipes. We have used it with 408,404, 410, and 134

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⚡ Supercharge your ride’s fuel system with Four Seasons’ ultimate flush!

LIGHTWEIGHT COMPACT - At just 200 g, it’s easy to store and transport without bulk.
POWERFUL 946 ML SUPER FLUSH - Maximize your vehicle’s fuel system cleaning with a full quart of premium solvent.
PRECISION MACHINED EXTERIOR - Engineered for durability and easy handling during maintenance.
TRUSTED FOUR SEASONS QUALITY - Backed by a leading brand known for automotive excellence.
OPTIMIZED FOR VEHICLE FUEL SYSTEMS - Specifically formulated to restore and maintain peak engine performance.

The Four Seasons 69994 Super Flush Solvent is a 32 oz (946 ml) high-performance vehicle fuel system cleaner featuring a durable machined exterior and lightweight design. Engineered to quickly and effectively flush fuel systems, it ensures optimal engine efficiency and longevity, making it a must-have for proactive vehicle maintenance.

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Manufacturer	Four Seasons
Brand	Four Seasons
Model	Solvent
Product Dimensions	24.03 x 15.54 x 12.14 cm; 199.58 g
Item model number	69994
Exterior	Machined
Manufacturer Part Number	69994
Item Weight	200 g

Four Seasons 69994 Super Flush Solvent, 32 Oz/ 946 ml

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