Accessories
Suggestions for Accessories
Air vent TRV head Flow meter Programmer Thermostat Zone valve Bleed screw Bleed valve Check valve Drain valve Float valve Flow switch Purge valve Time switch Boiler clock Boiler timer Filling loop Safety valve Air separator Purge station Air eliminator Dirt separator Diverter valve Drain down kit Expansion tank Flow regulator Pressure gauge Radiator valve Balancing valve Circulator pump Condensate pump Condensate trap Four-port valve Isolation valve Magnetic filter Manual air vent Motorised valve Pump controller Room thermostat Zone controller
H-Tronic (4260003173637 / 21000)
ARROLL (5060401421342 / TEP-UK20-BN) | Black Nickel, Certified wheel
Saunier Duval (3532041170925 / TRV_929083P) | Domestic hot water sensor
Saunier Duval (3532041130899 / TRV_534012E) | Heating return hose kit
Bosch (4010009201564 / 108723)
Myson (5013131305024 / MM10LANDPF90) | Valve uses
Polypipe (5022733006109 / SC43G) | Polypipe SC43G
MYSON replacement actuator for 3 port motorized valve, part number 421001. Suitable for MPE322, MPE328, MPE33/4, MPE31, MSV322 and MSV328 valves.
Sealey (5053848596506 / VS032) | Radiator Hoses, Composite Hose Pinch Tool
Plumb Pak (5010924981885 / PF91AMZ)
(5907798776245 / 234a)
(4016203782458 / 364c)
(5902626200619)
(5901095513046 / Does Not Apply)
(5902626217693 / 047b)
Ideal (5022141735202 / 173520)
Polypipe (5022733001852 / WS16W)
Grundfos (5710626492527 / magna1)
Optimize your boiler's safety with the Worcester Bosch High Limit Thermostat. Designed for Greenstar systems, this precise 120-degree control ensures efficient operation and protection against overheating.
Honeywell (5025121388009 / F42007562 001)
Min heat output - 0.6k WMax heat output - 2.3k WNett efficiency rating - 86%No chimney required 9 3/4" - 13 3/4" Flue included
Lower cost wax sensor Easy grip adjusting cap Compact Design Positive off position
Vaillant (7758163863019 / 114288)
Keston (5060033533666 / C08100330)
Wide range of valve body sizes Interchangeable actuators Actuator sold separately
(5039177613886)
Baxi (5039177614210 / 246204)
(4010009831174 / 87161049200)
Actuator Replaceable without draining down Auxiliary Switch for electrical control of pump and boiler5 Wire Actuator SPST, N/O Aux Switch Simple on Site Assembly
Durable, high‑quality O‑rings for Worcester Bosch CDi heating systems. Fits models M1025 and M345. Dimensions: 89 × 127 × 12 mm. Genuine replacement pack ensures reliable seal and optimal system performance.
Vaillant (4024074381441 / 981151)
Myson (5013131304362 / MPE228)
ANDREWS (5039192506804 / E068)
Vaillant (4024074479452 / 103429)
Nickel Finish3 Bar Max Operating Pressue92˚ Max Water Temperature BS 2767-10 Accordance Graphite Gland Packing
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