Renovations 6500 Double Hung Coil Part

A quick learner from Wheaton, IL says:
August 25, 2017
Hello--I am trying to replace this double hung coil. The springs have a 407 and 408 stamped on them. Please tell me which parts you sell that most closely align. Thank you.
coil balance
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Paul from SWISCO responded:
August 30, 2017
Greetings! Thank you for choosing SWISCO.com. For the coil springs, I recommend you order our S170-408 and S171-407 . Let us know how you make out.
407 Series 171 Coiled Balance Spring, Long
407 Series 171 Coiled Balance Spring, Long
S171-407
$6.55
408 Series 170 Coiled Balance Spring
408 Series 170 Coiled Balance Spring
S170-408
$6.55
SWISCO S170 and S171 Coil Balance Assembly
SWISCO S170 and S171 Coil Balance Assembly
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How to Replace a Triple Coil Balance System
How to Replace a Triple Coil Balance System
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