Epson Powerlite 1221 Replacement Projector Lamp With Original Osram Bulb and HousingPowerlite 1221 Epson Projector Lamp Replacement. Projector Lamp Assembly with High Quality Genuine Original Osram P VIP Bulb inside.

Inlet/outlet pressures: 1/2 psi (inlet)

it helps optimize steam flow and overall heating efficiency

is designed for precise Truezone HVAC zoning

a 60–240 second adjustable Heat OFF delay

and optimized energy use

while the unit offers power-open/close operation and a 90-second travel time

and extended service life—minimizing downtime in professional installations

It's a smart choice for service professionals seeking a dependable replacement for R20404201

plus a tamper-resistant

The device operates across a broad ambient temperature range of -18 to 55°C

Engineered for easy installation and long life

while a mechanical visual position indicator and LED indication keep status transparent for quick commissioning