Product Information
Manhole cover DN120 LT/L
Please note: Hydrowest Products Ltd. is a wholesale distributor and sells exclusively to licensed contractors and trade professionals.
Fast Shipping
In-stock orders ship within 1 business day to anywhere in Canada.
Code-Compliant
All products meet Canadian HVAC and gas code standards.
Wholesale Pricing
Trade pricing for licensed contractors. 40+ years in the industry.
Manhole cover DN120 LT/L (Part No. 7747004730) is an OEM access cover intended for Bosch Thermoglaze LT and L series indirect hot‑water tanks, providing the DN120 service opening for inspection, coil access and routine cleaning while restoring a secure closure after maintenance. Exact part documentation for 7747004730 was not found on Bosch North America product pages; this description is based on LT/L accessory function. (bosch-homecomfort.com)
Related Products
Gasket 22,2x30x2
O-ring
O-ring burner flange (outer ring)
Seal (Service cover) WB5-II+
Greenstar Electrode Kit
O-ring 1.23 x 0.14 NBR
Burner sealing
O-ring 13,87x3,53
Lip seal 29,8 x 6,1
Washer
Sealing mounting plate