Verify that the vacuum tubing is clear and the orifice on the collector box is not clogged before replacing the 26W46

and 48DG series rooftop packaged units

vibration-free seat for the ventor motor and inducer wheel

maintaining consistent pressure across the burner assembly to avoid common ignition failures or intermittent "no heat" calls

this unit supports a flow rate of up to 3 GPH and is rated for pressures reaching 125 PSI

Schneider Electric (Viconics) VT8350U5500B Controller 320735-701 Verify that the vacuum tubingAs a veteran contractor, you know that the Schneider Electric (Viconics) VT8350U5500B Controller is the standard bearer for versatility in low voltage room control. This unit functions as both a Low Voltage Fan Coil Controller and Zone Controller, offering a sophisticated interface for 2 pipe and 4 pipe systems. Unlike basic thermostats, the VT8350U5500B features an onboard PIR motion sensor for occupancy based setpoint resets and a high accuracy RH