H-Series Low NOx Vent Pressure Switch - Post 9/2004 paint-size_1 Quart There are additional options available

There are additional options available which can be added to this controller as a separate purchase

191 for Spray Pools and is printed on heavy-duty aluminum material

It has a swivel metal handle which allows the vac head to move freely around the pool floor

We guarantee our rules and regulations signs to meet specific state swimming pool codes within ninety days of purchase or they will be replaced

H-Series Low NOx Vent Pressure Switch - Post 9/2004 paint-size_1 Quart There are additional options availableThis is a Hayward Vent Pressure Switch replacement for H Series Low Nox Induced Draft Heaters and H250IDL2 H350IDL2 H400IDL2 Pool and Spa Hot Tub Heaters. This part has been updated and may not look like your old part.