Thermo Scientific 450iQ Instruction Manual page 239

Servicing
Optional DMC Permeation Oven Solenoid Valve Replacement
Equipment Damage Do not disconnect the plumbing from the valve end.
Disconnect from the attaching end only. This will prevent damaging and
leaks from the valve end.
L
Figure 7–50. Removing and Replacing the Solenoid Valve pt 2
4. Replace the permeation oven solenoid valve and assemble in reverse
order.
7-45
Thermo Scientific 450iQ Instruction Manual